Home / 259,663.20-389,259.69-101,849.28

Finding the Fourth Proportional to 259,663.20, 389,259.69 and 101,849.28

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Solution

The fourth proportional to 259,663.20, 389,259.69 and 101,849.28 is: 152,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,663.20 : 389,259.69 = 101,849.28 : x
  2. Step 2: Convert to fraction form
    259,663.20/389,259.69 = 101,849.28/x
  3. Step 3: Cross multiply
    259,663.20x = 389,259.69 × 101,849.28
  4. Step 4: Simplify right side
    259,663.20x = 39,645,819,159.52
  5. Step 5: Solve for x
    x = 39,645,819,159.52/259,663.20
  6. Step 6: Final answer
    x = 152,681.70

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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.