Home / 262,743.10-394,114.65-157,767.10

Finding the Fourth Proportional to 262,743.10, 394,114.65 and 157,767.10

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Solution

The fourth proportional to 262,743.10, 394,114.65 and 157,767.10 is: 236,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,743.10 : 394,114.65 = 157,767.10 : x
  2. Step 2: Convert to fraction form
    262,743.10/394,114.65 = 157,767.10/x
  3. Step 3: Cross multiply
    262,743.10x = 394,114.65 × 157,767.10
  4. Step 4: Simplify right side
    262,743.10x = 62,178,325,398.02
  5. Step 5: Solve for x
    x = 62,178,325,398.02/262,743.10
  6. Step 6: Final answer
    x = 236,650.65

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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.