Home / 355,320.90-532,981.35-236,607.30

Finding the Fourth Proportional to 355,320.90, 532,981.35 and 236,607.30

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Solution

The fourth proportional to 355,320.90, 532,981.35 and 236,607.30 is: 354,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,320.90 : 532,981.35 = 236,607.30 : x
  2. Step 2: Convert to fraction form
    355,320.90/532,981.35 = 236,607.30/x
  3. Step 3: Cross multiply
    355,320.90x = 532,981.35 × 236,607.30
  4. Step 4: Simplify right side
    355,320.90x = 126,107,278,173.86
  5. Step 5: Solve for x
    x = 126,107,278,173.86/355,320.90
  6. Step 6: Final answer
    x = 354,910.95

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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.