Home / 388,943.25-583,414.88-93,455.25

Finding the Fourth Proportional to 388,943.25, 583,414.88 and 93,455.25

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Solution

The fourth proportional to 388,943.25, 583,414.88 and 93,455.25 is: 140,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,943.25 : 583,414.88 = 93,455.25 : x
  2. Step 2: Convert to fraction form
    388,943.25/583,414.88 = 93,455.25/x
  3. Step 3: Cross multiply
    388,943.25x = 583,414.88 × 93,455.25
  4. Step 4: Simplify right side
    388,943.25x = 54,523,182,996.84
  5. Step 5: Solve for x
    x = 54,523,182,996.84/388,943.25
  6. Step 6: Final answer
    x = 140,182.88

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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.