Home / 279,190.12-385,155.30-165,948.52

Finding the Fourth Proportional to 279,190.12, 385,155.30 and 165,948.52

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Solution

The fourth proportional to 279,190.12, 385,155.30 and 165,948.52 is: 228,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,190.12 : 385,155.30 = 165,948.52 : x
  2. Step 2: Convert to fraction form
    279,190.12/385,155.30 = 165,948.52/x
  3. Step 3: Cross multiply
    279,190.12x = 385,155.30 × 165,948.52
  4. Step 4: Simplify right side
    279,190.12x = 63,915,952,005.16
  5. Step 5: Solve for x
    x = 63,915,952,005.16/279,190.12
  6. Step 6: Final answer
    x = 228,933.43

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1.5x scale

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.