Home / 505,029.56-757,404.17-140,207.34

Finding the Fourth Proportional to 505,029.56, 757,404.17 and 140,207.34

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Solution

The fourth proportional to 505,029.56, 757,404.17 and 140,207.34 is: 210,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,029.56 : 757,404.17 = 140,207.34 : x
  2. Step 2: Convert to fraction form
    505,029.56/757,404.17 = 140,207.34/x
  3. Step 3: Cross multiply
    505,029.56x = 757,404.17 × 140,207.34
  4. Step 4: Simplify right side
    505,029.56x = 106,193,626,645.61
  5. Step 5: Solve for x
    x = 106,193,626,645.61/505,029.56
  6. Step 6: Final answer
    x = 210,272.10

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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.