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Finding the Fourth Proportional to 373,459.17, 557,807.46 and 337,865.61

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Solution

The fourth proportional to 373,459.17, 557,807.46 and 337,865.61 is: 504,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,459.17 : 557,807.46 = 337,865.61 : x
  2. Step 2: Convert to fraction form
    373,459.17/557,807.46 = 337,865.61/x
  3. Step 3: Cross multiply
    373,459.17x = 557,807.46 × 337,865.61
  4. Step 4: Simplify right side
    373,459.17x = 188,463,957,735.45
  5. Step 5: Solve for x
    x = 188,463,957,735.45/373,459.17
  6. Step 6: Final answer
    x = 504,644.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.