Home / 150,639.31-225,957.98-38,318.57

Finding the Fourth Proportional to 150,639.31, 225,957.98 and 38,318.57

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Solution

The fourth proportional to 150,639.31, 225,957.98 and 38,318.57 is: 57,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,639.31 : 225,957.98 = 38,318.57 : x
  2. Step 2: Convert to fraction form
    150,639.31/225,957.98 = 38,318.57/x
  3. Step 3: Cross multiply
    150,639.31x = 225,957.98 × 38,318.57
  4. Step 4: Simplify right side
    150,639.31x = 8,658,385,639.70
  5. Step 5: Solve for x
    x = 8,658,385,639.70/150,639.31
  6. Step 6: Final answer
    x = 57,477.60

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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.