Home / 828,221.96-1,242,360.55-229,132.94

Finding the Fourth Proportional to 828,221.96, 1,242,360.55 and 229,132.94

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Solution

The fourth proportional to 828,221.96, 1,242,360.55 and 229,132.94 is: 343,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,221.96 : 1,242,360.55 = 229,132.94 : x
  2. Step 2: Convert to fraction form
    828,221.96/1,242,360.55 = 229,132.94/x
  3. Step 3: Cross multiply
    828,221.96x = 1,242,360.55 × 229,132.94
  4. Step 4: Simplify right side
    828,221.96x = 284,665,719,436.13
  5. Step 5: Solve for x
    x = 284,665,719,436.13/828,221.96
  6. Step 6: Final answer
    x = 343,707.04

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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.