Home / 260,586.20-390,936.66-148,319.24

Finding the Fourth Proportional to 260,586.20, 390,936.66 and 148,319.24

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Solution

The fourth proportional to 260,586.20, 390,936.66 and 148,319.24 is: 222,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,586.20 : 390,936.66 = 148,319.24 : x
  2. Step 2: Convert to fraction form
    260,586.20/390,936.66 = 148,319.24/x
  3. Step 3: Cross multiply
    260,586.20x = 390,936.66 × 148,319.24
  4. Step 4: Simplify right side
    260,586.20x = 57,983,428,299.34
  5. Step 5: Solve for x
    x = 57,983,428,299.34/260,586.20
  6. Step 6: Final answer
    x = 222,511.51

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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.