Home / 221,719.52-332,347.08-103,293.20

Finding the Fourth Proportional to 221,719.52, 332,347.08 and 103,293.20

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Solution

The fourth proportional to 221,719.52, 332,347.08 and 103,293.20 is: 154,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,719.52 : 332,347.08 = 103,293.20 : x
  2. Step 2: Convert to fraction form
    221,719.52/332,347.08 = 103,293.20/x
  3. Step 3: Cross multiply
    221,719.52x = 332,347.08 × 103,293.20
  4. Step 4: Simplify right side
    221,719.52x = 34,329,193,403.86
  5. Step 5: Solve for x
    x = 34,329,193,403.86/221,719.52
  6. Step 6: Final answer
    x = 154,831.62

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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.