Home / 219,948.48-329,955.20-79,674.40

Finding the Fourth Proportional to 219,948.48, 329,955.20 and 79,674.40

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Solution

The fourth proportional to 219,948.48, 329,955.20 and 79,674.40 is: 119,523.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,948.48 : 329,955.20 = 79,674.40 : x
  2. Step 2: Convert to fraction form
    219,948.48/329,955.20 = 79,674.40/x
  3. Step 3: Cross multiply
    219,948.48x = 329,955.20 × 79,674.40
  4. Step 4: Simplify right side
    219,948.48x = 26,288,982,586.88
  5. Step 5: Solve for x
    x = 26,288,982,586.88/219,948.48
  6. Step 6: Final answer
    x = 119,523.37

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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.