Home / 252,676.30-378,139.65-231,681.10

Finding the Fourth Proportional to 252,676.30, 378,139.65 and 231,681.10

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Solution

The fourth proportional to 252,676.30, 378,139.65 and 231,681.10 is: 346,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,676.30 : 378,139.65 = 231,681.10 : x
  2. Step 2: Convert to fraction form
    252,676.30/378,139.65 = 231,681.10/x
  3. Step 3: Cross multiply
    252,676.30x = 378,139.65 × 231,681.10
  4. Step 4: Simplify right side
    252,676.30x = 87,607,810,065.62
  5. Step 5: Solve for x
    x = 87,607,810,065.62/252,676.30
  6. Step 6: Final answer
    x = 346,719.54

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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.