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Finding the Fourth Proportional to 228,572.20, 342,858.30 and 62,360.20

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Solution

The fourth proportional to 228,572.20, 342,858.30 and 62,360.20 is: 93,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,572.20 : 342,858.30 = 62,360.20 : x
  2. Step 2: Convert to fraction form
    228,572.20/342,858.30 = 62,360.20/x
  3. Step 3: Cross multiply
    228,572.20x = 342,858.30 × 62,360.20
  4. Step 4: Simplify right side
    228,572.20x = 21,380,712,159.66
  5. Step 5: Solve for x
    x = 21,380,712,159.66/228,572.20
  6. Step 6: Final answer
    x = 93,540.30

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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.