Home / 547,501.56-821,252.34-206,009.20

Finding the Fourth Proportional to 547,501.56, 821,252.34 and 206,009.20

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Solution

The fourth proportional to 547,501.56, 821,252.34 and 206,009.20 is: 309,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,501.56 : 821,252.34 = 206,009.20 : x
  2. Step 2: Convert to fraction form
    547,501.56/821,252.34 = 206,009.20/x
  3. Step 3: Cross multiply
    547,501.56x = 821,252.34 × 206,009.20
  4. Step 4: Simplify right side
    547,501.56x = 169,185,537,561.53
  5. Step 5: Solve for x
    x = 169,185,537,561.53/547,501.56
  6. Step 6: Final answer
    x = 309,013.80

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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.