Home / 293,042.12-439,572.14-100,914.48

Finding the Fourth Proportional to 293,042.12, 439,572.14 and 100,914.48

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Solution

The fourth proportional to 293,042.12, 439,572.14 and 100,914.48 is: 151,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,042.12 : 439,572.14 = 100,914.48 : x
  2. Step 2: Convert to fraction form
    293,042.12/439,572.14 = 100,914.48/x
  3. Step 3: Cross multiply
    293,042.12x = 439,572.14 × 100,914.48
  4. Step 4: Simplify right side
    293,042.12x = 44,359,193,426.01
  5. Step 5: Solve for x
    x = 44,359,193,426.01/293,042.12
  6. Step 6: Final answer
    x = 151,374.81

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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.