Home / 260,359.13-359,322.66-149,981.58

Finding the Fourth Proportional to 260,359.13, 359,322.66 and 149,981.58

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Solution

The fourth proportional to 260,359.13, 359,322.66 and 149,981.58 is: 206,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,359.13 : 359,322.66 = 149,981.58 : x
  2. Step 2: Convert to fraction form
    260,359.13/359,322.66 = 149,981.58/x
  3. Step 3: Cross multiply
    260,359.13x = 359,322.66 × 149,981.58
  4. Step 4: Simplify right side
    260,359.13x = 53,891,781,287.20
  5. Step 5: Solve for x
    x = 53,891,781,287.20/260,359.13
  6. Step 6: Final answer
    x = 206,990.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.