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Finding the Fourth Proportional to 491,246.89, 736,870.28 and 136,260.92

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Solution

The fourth proportional to 491,246.89, 736,870.28 and 136,260.92 is: 204,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,246.89 : 736,870.28 = 136,260.92 : x
  2. Step 2: Convert to fraction form
    491,246.89/736,870.28 = 136,260.92/x
  3. Step 3: Cross multiply
    491,246.89x = 736,870.28 × 136,260.92
  4. Step 4: Simplify right side
    491,246.89x = 100,406,622,273.46
  5. Step 5: Solve for x
    x = 100,406,622,273.46/491,246.89
  6. Step 6: Final answer
    x = 204,391.37

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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.