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Finding the Fourth Proportional to 247,128.59, 370,692.92 and 60,140.09

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Solution

The fourth proportional to 247,128.59, 370,692.92 and 60,140.09 is: 90,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,128.59 : 370,692.92 = 60,140.09 : x
  2. Step 2: Convert to fraction form
    247,128.59/370,692.92 = 60,140.09/x
  3. Step 3: Cross multiply
    247,128.59x = 370,692.92 × 60,140.09
  4. Step 4: Simplify right side
    247,128.59x = 22,293,506,648.25
  5. Step 5: Solve for x
    x = 22,293,506,648.25/247,128.59
  6. Step 6: Final answer
    x = 90,210.15

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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.