Home / 260,949.30-391,547.42-142,617.11

Finding the Fourth Proportional to 260,949.30, 391,547.42 and 142,617.11

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Solution

The fourth proportional to 260,949.30, 391,547.42 and 142,617.11 is: 213,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,949.30 : 391,547.42 = 142,617.11 : x
  2. Step 2: Convert to fraction form
    260,949.30/391,547.42 = 142,617.11/x
  3. Step 3: Cross multiply
    260,949.30x = 391,547.42 × 142,617.11
  4. Step 4: Simplify right side
    260,949.30x = 55,841,359,332.35
  5. Step 5: Solve for x
    x = 55,841,359,332.35/260,949.30
  6. Step 6: Final answer
    x = 213,993.14

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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.