Home / 328,929.89-493,412.31-104,308.04

Finding the Fourth Proportional to 328,929.89, 493,412.31 and 104,308.04

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Solution

The fourth proportional to 328,929.89, 493,412.31 and 104,308.04 is: 156,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,929.89 : 493,412.31 = 104,308.04 : x
  2. Step 2: Convert to fraction form
    328,929.89/493,412.31 = 104,308.04/x
  3. Step 3: Cross multiply
    328,929.89x = 493,412.31 × 104,308.04
  4. Step 4: Simplify right side
    328,929.89x = 51,466,868,500.91
  5. Step 5: Solve for x
    x = 51,466,868,500.91/328,929.89
  6. Step 6: Final answer
    x = 156,467.60

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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.