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Finding the Fourth Proportional to 402,461.10, 604,080.45 and 244,997.10

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Solution

The fourth proportional to 402,461.10, 604,080.45 and 244,997.10 is: 367,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,461.10 : 604,080.45 = 244,997.10 : x
  2. Step 2: Convert to fraction form
    402,461.10/604,080.45 = 244,997.10/x
  3. Step 3: Cross multiply
    402,461.10x = 604,080.45 × 244,997.10
  4. Step 4: Simplify right side
    402,461.10x = 147,997,958,416.70
  5. Step 5: Solve for x
    x = 147,997,958,416.70/402,461.10
  6. Step 6: Final answer
    x = 367,732.33

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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.