Home / 610,360.20-915,540.30-167,128.20

Finding the Fourth Proportional to 610,360.20, 915,540.30 and 167,128.20

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Solution

The fourth proportional to 610,360.20, 915,540.30 and 167,128.20 is: 250,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,360.20 : 915,540.30 = 167,128.20 : x
  2. Step 2: Convert to fraction form
    610,360.20/915,540.30 = 167,128.20/x
  3. Step 3: Cross multiply
    610,360.20x = 915,540.30 × 167,128.20
  4. Step 4: Simplify right side
    610,360.20x = 153,012,602,366.46
  5. Step 5: Solve for x
    x = 153,012,602,366.46/610,360.20
  6. Step 6: Final answer
    x = 250,692.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.