Home / 546,942.20-819,101.10-266,131.40

Finding the Fourth Proportional to 546,942.20, 819,101.10 and 266,131.40

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Solution

The fourth proportional to 546,942.20, 819,101.10 and 266,131.40 is: 398,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,942.20 : 819,101.10 = 266,131.40 : x
  2. Step 2: Convert to fraction form
    546,942.20/819,101.10 = 266,131.40/x
  3. Step 3: Cross multiply
    546,942.20x = 819,101.10 × 266,131.40
  4. Step 4: Simplify right side
    546,942.20x = 217,988,522,484.54
  5. Step 5: Solve for x
    x = 217,988,522,484.54/546,942.20
  6. Step 6: Final answer
    x = 398,558.61

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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.