Home / 260,327.91-390,046.08-142,082.22

Finding the Fourth Proportional to 260,327.91, 390,046.08 and 142,082.22

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Solution

The fourth proportional to 260,327.91, 390,046.08 and 142,082.22 is: 212,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,327.91 : 390,046.08 = 142,082.22 : x
  2. Step 2: Convert to fraction form
    260,327.91/390,046.08 = 142,082.22/x
  3. Step 3: Cross multiply
    260,327.91x = 390,046.08 × 142,082.22
  4. Step 4: Simplify right side
    260,327.91x = 55,418,612,948.70
  5. Step 5: Solve for x
    x = 55,418,612,948.70/260,327.91
  6. Step 6: Final answer
    x = 212,880.03

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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.