Home / 388,765.24-583,177.43-132,518.23

Finding the Fourth Proportional to 388,765.24, 583,177.43 and 132,518.23

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Solution

The fourth proportional to 388,765.24, 583,177.43 and 132,518.23 is: 198,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,765.24 : 583,177.43 = 132,518.23 : x
  2. Step 2: Convert to fraction form
    388,765.24/583,177.43 = 132,518.23/x
  3. Step 3: Cross multiply
    388,765.24x = 583,177.43 × 132,518.23
  4. Step 4: Simplify right side
    388,765.24x = 77,281,640,799.55
  5. Step 5: Solve for x
    x = 77,281,640,799.55/388,765.24
  6. Step 6: Final answer
    x = 198,787.42

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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.