Home / 388,972.52-583,125.98-149,258.44

Finding the Fourth Proportional to 388,972.52, 583,125.98 and 149,258.44

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Solution

The fourth proportional to 388,972.52, 583,125.98 and 149,258.44 is: 223,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,972.52 : 583,125.98 = 149,258.44 : x
  2. Step 2: Convert to fraction form
    388,972.52/583,125.98 = 149,258.44/x
  3. Step 3: Cross multiply
    388,972.52x = 583,125.98 × 149,258.44
  4. Step 4: Simplify right side
    388,972.52x = 87,036,474,098.27
  5. Step 5: Solve for x
    x = 87,036,474,098.27/388,972.52
  6. Step 6: Final answer
    x = 223,759.96

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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.