Home / 369,433.28-554,013.84-132,712.40

Finding the Fourth Proportional to 369,433.28, 554,013.84 and 132,712.40

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Solution

The fourth proportional to 369,433.28, 554,013.84 and 132,712.40 is: 199,019.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,433.28 : 554,013.84 = 132,712.40 : x
  2. Step 2: Convert to fraction form
    369,433.28/554,013.84 = 132,712.40/x
  3. Step 3: Cross multiply
    369,433.28x = 554,013.84 × 132,712.40
  4. Step 4: Simplify right side
    369,433.28x = 73,524,506,339.62
  5. Step 5: Solve for x
    x = 73,524,506,339.62/369,433.28
  6. Step 6: Final answer
    x = 199,019.72

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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.