Home / 279,114.04-385,042.02-165,856.60

Finding the Fourth Proportional to 279,114.04, 385,042.02 and 165,856.60

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Solution

The fourth proportional to 279,114.04, 385,042.02 and 165,856.60 is: 228,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,114.04 : 385,042.02 = 165,856.60 : x
  2. Step 2: Convert to fraction form
    279,114.04/385,042.02 = 165,856.60/x
  3. Step 3: Cross multiply
    279,114.04x = 385,042.02 × 165,856.60
  4. Step 4: Simplify right side
    279,114.04x = 63,861,760,294.33
  5. Step 5: Solve for x
    x = 63,861,760,294.33/279,114.04
  6. Step 6: Final answer
    x = 228,801.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.