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Finding the Fourth Proportional to 542,898.14, 749,200.32 and 301,180.71

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Solution

The fourth proportional to 542,898.14, 749,200.32 and 301,180.71 is: 415,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,898.14 : 749,200.32 = 301,180.71 : x
  2. Step 2: Convert to fraction form
    542,898.14/749,200.32 = 301,180.71/x
  3. Step 3: Cross multiply
    542,898.14x = 749,200.32 × 301,180.71
  4. Step 4: Simplify right side
    542,898.14x = 225,644,684,309.83
  5. Step 5: Solve for x
    x = 225,644,684,309.83/542,898.14
  6. Step 6: Final answer
    x = 415,629.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.