Home / 260,146.30-390,441.66-185,449.18

Finding the Fourth Proportional to 260,146.30, 390,441.66 and 185,449.18

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Solution

The fourth proportional to 260,146.30, 390,441.66 and 185,449.18 is: 278,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,146.30 : 390,441.66 = 185,449.18 : x
  2. Step 2: Convert to fraction form
    260,146.30/390,441.66 = 185,449.18/x
  3. Step 3: Cross multiply
    260,146.30x = 390,441.66 × 185,449.18
  4. Step 4: Simplify right side
    260,146.30x = 72,407,085,684.84
  5. Step 5: Solve for x
    x = 72,407,085,684.84/260,146.30
  6. Step 6: Final answer
    x = 278,332.18

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1.5x scale

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.