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Finding the Fourth Proportional to 434,500.20, 651,750.30 and 247,876.20

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Solution

The fourth proportional to 434,500.20, 651,750.30 and 247,876.20 is: 371,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,500.20 : 651,750.30 = 247,876.20 : x
  2. Step 2: Convert to fraction form
    434,500.20/651,750.30 = 247,876.20/x
  3. Step 3: Cross multiply
    434,500.20x = 651,750.30 × 247,876.20
  4. Step 4: Simplify right side
    434,500.20x = 161,553,387,712.86
  5. Step 5: Solve for x
    x = 161,553,387,712.86/434,500.20
  6. Step 6: Final answer
    x = 371,814.30

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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.