Home / 328,962.11-493,460.78-104,339.58

Finding the Fourth Proportional to 328,962.11, 493,460.78 and 104,339.58

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Solution

The fourth proportional to 328,962.11, 493,460.78 and 104,339.58 is: 156,514.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,962.11 : 493,460.78 = 104,339.58 : x
  2. Step 2: Convert to fraction form
    328,962.11/493,460.78 = 104,339.58/x
  3. Step 3: Cross multiply
    328,962.11x = 493,460.78 × 104,339.58
  4. Step 4: Simplify right side
    328,962.11x = 51,487,490,009.97
  5. Step 5: Solve for x
    x = 51,487,490,009.97/328,962.11
  6. Step 6: Final answer
    x = 156,514.96

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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.