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Finding the Fourth Proportional to 539,336.32, 808,752.98 and 160,117.81

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Solution

The fourth proportional to 539,336.32, 808,752.98 and 160,117.81 is: 240,102.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,336.32 : 808,752.98 = 160,117.81 : x
  2. Step 2: Convert to fraction form
    539,336.32/808,752.98 = 160,117.81/x
  3. Step 3: Cross multiply
    539,336.32x = 808,752.98 × 160,117.81
  4. Step 4: Simplify right side
    539,336.32x = 129,495,755,187.99
  5. Step 5: Solve for x
    x = 129,495,755,187.99/539,336.32
  6. Step 6: Final answer
    x = 240,102.05

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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.