Home / 457,869.24-686,902.12-154,293.36

Finding the Fourth Proportional to 457,869.24, 686,902.12 and 154,293.36

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Solution

The fourth proportional to 457,869.24, 686,902.12 and 154,293.36 is: 231,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,869.24 : 686,902.12 = 154,293.36 : x
  2. Step 2: Convert to fraction form
    457,869.24/686,902.12 = 154,293.36/x
  3. Step 3: Cross multiply
    457,869.24x = 686,902.12 × 154,293.36
  4. Step 4: Simplify right side
    457,869.24x = 105,984,436,085.92
  5. Step 5: Solve for x
    x = 105,984,436,085.92/457,869.24
  6. Step 6: Final answer
    x = 231,473.15

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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.