Home / 219,635.47-329,722.53-144,818.20

Finding the Fourth Proportional to 219,635.47, 329,722.53 and 144,818.20

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Solution

The fourth proportional to 219,635.47, 329,722.53 and 144,818.20 is: 217,404.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,635.47 : 329,722.53 = 144,818.20 : x
  2. Step 2: Convert to fraction form
    219,635.47/329,722.53 = 144,818.20/x
  3. Step 3: Cross multiply
    219,635.47x = 329,722.53 × 144,818.20
  4. Step 4: Simplify right side
    219,635.47x = 47,749,823,294.05
  5. Step 5: Solve for x
    x = 47,749,823,294.05/219,635.47
  6. Step 6: Final answer
    x = 217,404.88

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1.5x scale

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.