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Finding the Fourth Proportional to 518,735.52, 778,171.26 and 203,151.42

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Solution

The fourth proportional to 518,735.52, 778,171.26 and 203,151.42 is: 304,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,735.52 : 778,171.26 = 203,151.42 : x
  2. Step 2: Convert to fraction form
    518,735.52/778,171.26 = 203,151.42/x
  3. Step 3: Cross multiply
    518,735.52x = 778,171.26 × 203,151.42
  4. Step 4: Simplify right side
    518,735.52x = 158,086,596,472.19
  5. Step 5: Solve for x
    x = 158,086,596,472.19/518,735.52
  6. Step 6: Final answer
    x = 304,753.75

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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.