Home / 215,909.20-323,224.10-160,000.25

Finding the Fourth Proportional to 215,909.20, 323,224.10 and 160,000.25

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Solution

The fourth proportional to 215,909.20, 323,224.10 and 160,000.25 is: 239,526.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,909.20 : 323,224.10 = 160,000.25 : x
  2. Step 2: Convert to fraction form
    215,909.20/323,224.10 = 160,000.25/x
  3. Step 3: Cross multiply
    215,909.20x = 323,224.10 × 160,000.25
  4. Step 4: Simplify right side
    215,909.20x = 51,715,937,796.96
  5. Step 5: Solve for x
    x = 51,715,937,796.96/215,909.20
  6. Step 6: Final answer
    x = 239,526.33

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1.5x scale

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.