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Finding the Fourth Proportional to 376,999.20, 565,498.80 and 335,664.90

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Solution

The fourth proportional to 376,999.20, 565,498.80 and 335,664.90 is: 503,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,999.20 : 565,498.80 = 335,664.90 : x
  2. Step 2: Convert to fraction form
    376,999.20/565,498.80 = 335,664.90/x
  3. Step 3: Cross multiply
    376,999.20x = 565,498.80 × 335,664.90
  4. Step 4: Simplify right side
    376,999.20x = 189,818,098,152.12
  5. Step 5: Solve for x
    x = 189,818,098,152.12/376,999.20
  6. Step 6: Final answer
    x = 503,497.35

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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.