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Finding the Fourth Proportional to 539,767.10, 809,650.65 and 165,790.10

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Solution

The fourth proportional to 539,767.10, 809,650.65 and 165,790.10 is: 248,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,767.10 : 809,650.65 = 165,790.10 : x
  2. Step 2: Convert to fraction form
    539,767.10/809,650.65 = 165,790.10/x
  3. Step 3: Cross multiply
    539,767.10x = 809,650.65 × 165,790.10
  4. Step 4: Simplify right side
    539,767.10x = 134,232,062,228.57
  5. Step 5: Solve for x
    x = 134,232,062,228.57/539,767.10
  6. Step 6: Final answer
    x = 248,685.15

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Similar ratio
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1.5x scale

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.