Home / 215,331.50-323,000.13-67,587.50

Finding the Fourth Proportional to 215,331.50, 323,000.13 and 67,587.50

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Solution

The fourth proportional to 215,331.50, 323,000.13 and 67,587.50 is: 101,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,331.50 : 323,000.13 = 67,587.50 : x
  2. Step 2: Convert to fraction form
    215,331.50/323,000.13 = 67,587.50/x
  3. Step 3: Cross multiply
    215,331.50x = 323,000.13 × 67,587.50
  4. Step 4: Simplify right side
    215,331.50x = 21,830,771,286.38
  5. Step 5: Solve for x
    x = 21,830,771,286.38/215,331.50
  6. Step 6: Final answer
    x = 101,382.15

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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.