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Finding the Fourth Proportional to 473,531.88, 653,493.86 and 272,328.04

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Solution

The fourth proportional to 473,531.88, 653,493.86 and 272,328.04 is: 375,824.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,531.88 : 653,493.86 = 272,328.04 : x
  2. Step 2: Convert to fraction form
    473,531.88/653,493.86 = 272,328.04/x
  3. Step 3: Cross multiply
    473,531.88x = 653,493.86 × 272,328.04
  4. Step 4: Simplify right side
    473,531.88x = 177,964,702,045.83
  5. Step 5: Solve for x
    x = 177,964,702,045.83/473,531.88
  6. Step 6: Final answer
    x = 375,824.12

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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.