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Finding the Fourth Proportional to 473,257.92, 653,096.16 and 272,041.92

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Solution

The fourth proportional to 473,257.92, 653,096.16 and 272,041.92 is: 375,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,257.92 : 653,096.16 = 272,041.92 : x
  2. Step 2: Convert to fraction form
    473,257.92/653,096.16 = 272,041.92/x
  3. Step 3: Cross multiply
    473,257.92x = 653,096.16 × 272,041.92
  4. Step 4: Simplify right side
    473,257.92x = 177,669,533,311.03
  5. Step 5: Solve for x
    x = 177,669,533,311.03/473,257.92
  6. Step 6: Final answer
    x = 375,417.98

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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.