Home / 457,912.23-686,901.14-120,949.52

Finding the Fourth Proportional to 457,912.23, 686,901.14 and 120,949.52

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Solution

The fourth proportional to 457,912.23, 686,901.14 and 120,949.52 is: 181,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,912.23 : 686,901.14 = 120,949.52 : x
  2. Step 2: Convert to fraction form
    457,912.23/686,901.14 = 120,949.52/x
  3. Step 3: Cross multiply
    457,912.23x = 686,901.14 × 120,949.52
  4. Step 4: Simplify right side
    457,912.23x = 83,080,359,584.76
  5. Step 5: Solve for x
    x = 83,080,359,584.76/457,912.23
  6. Step 6: Final answer
    x = 181,432.94

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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.