Home / 309,060.15-463,517.43-84,367.14

Finding the Fourth Proportional to 309,060.15, 463,517.43 and 84,367.14

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Solution

The fourth proportional to 309,060.15, 463,517.43 and 84,367.14 is: 126,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,060.15 : 463,517.43 = 84,367.14 : x
  2. Step 2: Convert to fraction form
    309,060.15/463,517.43 = 84,367.14/x
  3. Step 3: Cross multiply
    309,060.15x = 463,517.43 × 84,367.14
  4. Step 4: Simplify right side
    309,060.15x = 39,105,639,909.25
  5. Step 5: Solve for x
    x = 39,105,639,909.25/309,060.15
  6. Step 6: Final answer
    x = 126,530.84

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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.