Home / 262,401.90-393,651.45-84,914.70

Finding the Fourth Proportional to 262,401.90, 393,651.45 and 84,914.70

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Solution

The fourth proportional to 262,401.90, 393,651.45 and 84,914.70 is: 127,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,401.90 : 393,651.45 = 84,914.70 : x
  2. Step 2: Convert to fraction form
    262,401.90/393,651.45 = 84,914.70/x
  3. Step 3: Cross multiply
    262,401.90x = 393,651.45 × 84,914.70
  4. Step 4: Simplify right side
    262,401.90x = 33,426,794,781.32
  5. Step 5: Solve for x
    x = 33,426,794,781.32/262,401.90
  6. Step 6: Final answer
    x = 127,387.78

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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.