Home / 260,844.16-390,789.92-120,526.24

Finding the Fourth Proportional to 260,844.16, 390,789.92 and 120,526.24

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Solution

The fourth proportional to 260,844.16, 390,789.92 and 120,526.24 is: 180,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,844.16 : 390,789.92 = 120,526.24 : x
  2. Step 2: Convert to fraction form
    260,844.16/390,789.92 = 120,526.24/x
  3. Step 3: Cross multiply
    260,844.16x = 390,789.92 × 120,526.24
  4. Step 4: Simplify right side
    260,844.16x = 47,100,439,687.50
  5. Step 5: Solve for x
    x = 47,100,439,687.50/260,844.16
  6. Step 6: Final answer
    x = 180,569.27

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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.