Home / 260,581.68-390,929.90-148,314.74

Finding the Fourth Proportional to 260,581.68, 390,929.90 and 148,314.74

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Solution

The fourth proportional to 260,581.68, 390,929.90 and 148,314.74 is: 222,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,581.68 : 390,929.90 = 148,314.74 : x
  2. Step 2: Convert to fraction form
    260,581.68/390,929.90 = 148,314.74/x
  3. Step 3: Cross multiply
    260,581.68x = 390,929.90 × 148,314.74
  4. Step 4: Simplify right side
    260,581.68x = 57,980,663,780.50
  5. Step 5: Solve for x
    x = 57,980,663,780.50/260,581.68
  6. Step 6: Final answer
    x = 222,504.76

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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.