Home / 369,432.28-554,012.34-132,711.40

Finding the Fourth Proportional to 369,432.28, 554,012.34 and 132,711.40

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Solution

The fourth proportional to 369,432.28, 554,012.34 and 132,711.40 is: 199,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,432.28 : 554,012.34 = 132,711.40 : x
  2. Step 2: Convert to fraction form
    369,432.28/554,012.34 = 132,711.40/x
  3. Step 3: Cross multiply
    369,432.28x = 554,012.34 × 132,711.40
  4. Step 4: Simplify right side
    369,432.28x = 73,523,753,258.68
  5. Step 5: Solve for x
    x = 73,523,753,258.68/369,432.28
  6. Step 6: Final answer
    x = 199,018.22

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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.