Home / 260,423.04-390,505.32-82,906.92

Finding the Fourth Proportional to 260,423.04, 390,505.32 and 82,906.92

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Solution

The fourth proportional to 260,423.04, 390,505.32 and 82,906.92 is: 124,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,423.04 : 390,505.32 = 82,906.92 : x
  2. Step 2: Convert to fraction form
    260,423.04/390,505.32 = 82,906.92/x
  3. Step 3: Cross multiply
    260,423.04x = 390,505.32 × 82,906.92
  4. Step 4: Simplify right side
    260,423.04x = 32,375,593,324.81
  5. Step 5: Solve for x
    x = 32,375,593,324.81/260,423.04
  6. Step 6: Final answer
    x = 124,319.24

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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.