Home / 260,586.68-390,937.41-148,319.75

Finding the Fourth Proportional to 260,586.68, 390,937.41 and 148,319.75

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Solution

The fourth proportional to 260,586.68, 390,937.41 and 148,319.75 is: 222,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,586.68 : 390,937.41 = 148,319.75 : x
  2. Step 2: Convert to fraction form
    260,586.68/390,937.41 = 148,319.75/x
  3. Step 3: Cross multiply
    260,586.68x = 390,937.41 × 148,319.75
  4. Step 4: Simplify right side
    260,586.68x = 57,983,738,916.85
  5. Step 5: Solve for x
    x = 57,983,738,916.85/260,586.68
  6. Step 6: Final answer
    x = 222,512.29

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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.