Home / 245,581.85-338,895.61-148,842.94

Finding the Fourth Proportional to 245,581.85, 338,895.61 and 148,842.94

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Solution

The fourth proportional to 245,581.85, 338,895.61 and 148,842.94 is: 205,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,581.85 : 338,895.61 = 148,842.94 : x
  2. Step 2: Convert to fraction form
    245,581.85/338,895.61 = 148,842.94/x
  3. Step 3: Cross multiply
    245,581.85x = 338,895.61 × 148,842.94
  4. Step 4: Simplify right side
    245,581.85x = 50,442,217,726.15
  5. Step 5: Solve for x
    x = 50,442,217,726.15/245,581.85
  6. Step 6: Final answer
    x = 205,398.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.