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Finding the Fourth Proportional to 491,468.10, 737,165.70 and 207,085.20

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Solution

The fourth proportional to 491,468.10, 737,165.70 and 207,085.20 is: 310,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,468.10 : 737,165.70 = 207,085.20 : x
  2. Step 2: Convert to fraction form
    491,468.10/737,165.70 = 207,085.20/x
  3. Step 3: Cross multiply
    491,468.10x = 737,165.70 × 207,085.20
  4. Step 4: Simplify right side
    491,468.10x = 152,656,106,417.64
  5. Step 5: Solve for x
    x = 152,656,106,417.64/491,468.10
  6. Step 6: Final answer
    x = 310,612.44

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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.