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Finding the Fourth Proportional to 473,452.88, 653,278.23 and 269,491.91

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Solution

The fourth proportional to 473,452.88, 653,278.23 and 269,491.91 is: 371,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,452.88 : 653,278.23 = 269,491.91 : x
  2. Step 2: Convert to fraction form
    473,452.88/653,278.23 = 269,491.91/x
  3. Step 3: Cross multiply
    473,452.88x = 653,278.23 × 269,491.91
  4. Step 4: Simplify right side
    473,452.88x = 176,053,194,697.73
  5. Step 5: Solve for x
    x = 176,053,194,697.73/473,452.88
  6. Step 6: Final answer
    x = 371,849.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.