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Finding the Fourth Proportional to 497,339.76, 746,155.21 and 160,373.64

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Solution

The fourth proportional to 497,339.76, 746,155.21 and 160,373.64 is: 240,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,339.76 : 746,155.21 = 160,373.64 : x
  2. Step 2: Convert to fraction form
    497,339.76/746,155.21 = 160,373.64/x
  3. Step 3: Cross multiply
    497,339.76x = 746,155.21 × 160,373.64
  4. Step 4: Simplify right side
    497,339.76x = 119,663,627,032.66
  5. Step 5: Solve for x
    x = 119,663,627,032.66/497,339.76
  6. Step 6: Final answer
    x = 240,607.40

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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.