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Finding the Fourth Proportional to 447,553.80, 671,330.70 and 248,488.20

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Solution

The fourth proportional to 447,553.80, 671,330.70 and 248,488.20 is: 372,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,553.80 : 671,330.70 = 248,488.20 : x
  2. Step 2: Convert to fraction form
    447,553.80/671,330.70 = 248,488.20/x
  3. Step 3: Cross multiply
    447,553.80x = 671,330.70 × 248,488.20
  4. Step 4: Simplify right side
    447,553.80x = 166,817,757,247.74
  5. Step 5: Solve for x
    x = 166,817,757,247.74/447,553.80
  6. Step 6: Final answer
    x = 372,732.30

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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.