Home / 259,319.48-389,126.76-207,061.04

Finding the Fourth Proportional to 259,319.48, 389,126.76 and 207,061.04

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Solution

The fourth proportional to 259,319.48, 389,126.76 and 207,061.04 is: 310,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,319.48 : 389,126.76 = 207,061.04 : x
  2. Step 2: Convert to fraction form
    259,319.48/389,126.76 = 207,061.04/x
  3. Step 3: Cross multiply
    259,319.48x = 389,126.76 × 207,061.04
  4. Step 4: Simplify right side
    259,319.48x = 80,572,991,617.43
  5. Step 5: Solve for x
    x = 80,572,991,617.43/259,319.48
  6. Step 6: Final answer
    x = 310,709.37

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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.