Home / 260,500.25-390,746.10-83,004.85

Finding the Fourth Proportional to 260,500.25, 390,746.10 and 83,004.85

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Solution

The fourth proportional to 260,500.25, 390,746.10 and 83,004.85 is: 124,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,500.25 : 390,746.10 = 83,004.85 : x
  2. Step 2: Convert to fraction form
    260,500.25/390,746.10 = 83,004.85/x
  3. Step 3: Cross multiply
    260,500.25x = 390,746.10 × 83,004.85
  4. Step 4: Simplify right side
    260,500.25x = 32,433,819,464.85
  5. Step 5: Solve for x
    x = 32,433,819,464.85/260,500.25
  6. Step 6: Final answer
    x = 124,505.91

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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.