Home / 261,335.36-391,692-182,020.16

Finding the Fourth Proportional to 261,335.36, 391,692 and 182,020.16

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Solution

The fourth proportional to 261,335.36, 391,692 and 182,020.16 is: 272,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,335.36 : 391,692 = 182,020.16 : x
  2. Step 2: Convert to fraction form
    261,335.36/391,692 = 182,020.16/x
  3. Step 3: Cross multiply
    261,335.36x = 391,692 × 182,020.16
  4. Step 4: Simplify right side
    261,335.36x = 71,295,840,510.72
  5. Step 5: Solve for x
    x = 71,295,840,510.72/261,335.36
  6. Step 6: Final answer
    x = 272,813.60

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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.