Home / 328,898.07-493,306.10-92,259.20

Finding the Fourth Proportional to 328,898.07, 493,306.10 and 92,259.20

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Solution

The fourth proportional to 328,898.07, 493,306.10 and 92,259.20 is: 138,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,898.07 : 493,306.10 = 92,259.20 : x
  2. Step 2: Convert to fraction form
    328,898.07/493,306.10 = 92,259.20/x
  3. Step 3: Cross multiply
    328,898.07x = 493,306.10 × 92,259.20
  4. Step 4: Simplify right side
    328,898.07x = 45,512,027,259.06
  5. Step 5: Solve for x
    x = 45,512,027,259.06/328,898.07
  6. Step 6: Final answer
    x = 138,377.30

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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.