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Finding the Fourth Proportional to 665,092.80, 997,444.80 and 238,579.20

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Solution

The fourth proportional to 665,092.80, 997,444.80 and 238,579.20 is: 357,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,092.80 : 997,444.80 = 238,579.20 : x
  2. Step 2: Convert to fraction form
    665,092.80/997,444.80 = 238,579.20/x
  3. Step 3: Cross multiply
    665,092.80x = 997,444.80 × 238,579.20
  4. Step 4: Simplify right side
    665,092.80x = 237,969,582,428.16
  5. Step 5: Solve for x
    x = 237,969,582,428.16/665,092.80
  6. Step 6: Final answer
    x = 357,799.07

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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.