Home / 328,823.40-493,818.30-254,125.20

Finding the Fourth Proportional to 328,823.40, 493,818.30 and 254,125.20

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Solution

The fourth proportional to 328,823.40, 493,818.30 and 254,125.20 is: 381,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,823.40 : 493,818.30 = 254,125.20 : x
  2. Step 2: Convert to fraction form
    328,823.40/493,818.30 = 254,125.20/x
  3. Step 3: Cross multiply
    328,823.40x = 493,818.30 × 254,125.20
  4. Step 4: Simplify right side
    328,823.40x = 125,491,674,251.16
  5. Step 5: Solve for x
    x = 125,491,674,251.16/328,823.40
  6. Step 6: Final answer
    x = 381,638.52

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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.