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Finding the Fourth Proportional to 447,625.40, 672,215.70 and 237,673.40

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Solution

The fourth proportional to 447,625.40, 672,215.70 and 237,673.40 is: 356,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,625.40 : 672,215.70 = 237,673.40 : x
  2. Step 2: Convert to fraction form
    447,625.40/672,215.70 = 237,673.40/x
  3. Step 3: Cross multiply
    447,625.40x = 672,215.70 × 237,673.40
  4. Step 4: Simplify right side
    447,625.40x = 159,767,790,952.38
  5. Step 5: Solve for x
    x = 159,767,790,952.38/447,625.40
  6. Step 6: Final answer
    x = 356,922.98

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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.