Home / 328,618.10-493,014.48-103,982.53

Finding the Fourth Proportional to 328,618.10, 493,014.48 and 103,982.53

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Solution

The fourth proportional to 328,618.10, 493,014.48 and 103,982.53 is: 156,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,618.10 : 493,014.48 = 103,982.53 : x
  2. Step 2: Convert to fraction form
    328,618.10/493,014.48 = 103,982.53/x
  3. Step 3: Cross multiply
    328,618.10x = 493,014.48 × 103,982.53
  4. Step 4: Simplify right side
    328,618.10x = 51,264,890,491.96
  5. Step 5: Solve for x
    x = 51,264,890,491.96/328,618.10
  6. Step 6: Final answer
    x = 156,001.42

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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.