Home / 261,242.20-391,855.74-155,352.52

Finding the Fourth Proportional to 261,242.20, 391,855.74 and 155,352.52

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Solution

The fourth proportional to 261,242.20, 391,855.74 and 155,352.52 is: 233,024.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,242.20 : 391,855.74 = 155,352.52 : x
  2. Step 2: Convert to fraction form
    261,242.20/391,855.74 = 155,352.52/x
  3. Step 3: Cross multiply
    261,242.20x = 391,855.74 × 155,352.52
  4. Step 4: Simplify right side
    261,242.20x = 60,875,776,685.46
  5. Step 5: Solve for x
    x = 60,875,776,685.46/261,242.20
  6. Step 6: Final answer
    x = 233,024.28

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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.