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Finding the Fourth Proportional to 476,458.30, 714,535.71 and 156,535.90

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Solution

The fourth proportional to 476,458.30, 714,535.71 and 156,535.90 is: 234,754.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,458.30 : 714,535.71 = 156,535.90 : x
  2. Step 2: Convert to fraction form
    476,458.30/714,535.71 = 156,535.90/x
  3. Step 3: Cross multiply
    476,458.30x = 714,535.71 × 156,535.90
  4. Step 4: Simplify right side
    476,458.30x = 111,850,490,446.99
  5. Step 5: Solve for x
    x = 111,850,490,446.99/476,458.30
  6. Step 6: Final answer
    x = 234,754.00

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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.