Home / 262,887.40-394,331.10-242,612.20

Finding the Fourth Proportional to 262,887.40, 394,331.10 and 242,612.20

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Solution

The fourth proportional to 262,887.40, 394,331.10 and 242,612.20 is: 363,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,887.40 : 394,331.10 = 242,612.20 : x
  2. Step 2: Convert to fraction form
    262,887.40/394,331.10 = 242,612.20/x
  3. Step 3: Cross multiply
    262,887.40x = 394,331.10 × 242,612.20
  4. Step 4: Simplify right side
    262,887.40x = 95,669,535,699.42
  5. Step 5: Solve for x
    x = 95,669,535,699.42/262,887.40
  6. Step 6: Final answer
    x = 363,918.30

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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.