Home / 354,488.52-531,577.20-132,717

Finding the Fourth Proportional to 354,488.52, 531,577.20 and 132,717

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Solution

The fourth proportional to 354,488.52, 531,577.20 and 132,717 is: 199,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,488.52 : 531,577.20 = 132,717 : x
  2. Step 2: Convert to fraction form
    354,488.52/531,577.20 = 132,717/x
  3. Step 3: Cross multiply
    354,488.52x = 531,577.20 × 132,717
  4. Step 4: Simplify right side
    354,488.52x = 70,549,331,252.40
  5. Step 5: Solve for x
    x = 70,549,331,252.40/354,488.52
  6. Step 6: Final answer
    x = 199,017.25

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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.