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Finding the Fourth Proportional to 473,603.28, 653,573.96 and 272,386

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Solution

The fourth proportional to 473,603.28, 653,573.96 and 272,386 is: 375,893.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,603.28 : 653,573.96 = 272,386 : x
  2. Step 2: Convert to fraction form
    473,603.28/653,573.96 = 272,386/x
  3. Step 3: Cross multiply
    473,603.28x = 653,573.96 × 272,386
  4. Step 4: Simplify right side
    473,603.28x = 178,024,396,668.56
  5. Step 5: Solve for x
    x = 178,024,396,668.56/473,603.28
  6. Step 6: Final answer
    x = 375,893.50

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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.