Home / 252,848.01-379,145.05-84,308.68

Finding the Fourth Proportional to 252,848.01, 379,145.05 and 84,308.68

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Solution

The fourth proportional to 252,848.01, 379,145.05 and 84,308.68 is: 126,420.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,848.01 : 379,145.05 = 84,308.68 : x
  2. Step 2: Convert to fraction form
    252,848.01/379,145.05 = 84,308.68/x
  3. Step 3: Cross multiply
    252,848.01x = 379,145.05 × 84,308.68
  4. Step 4: Simplify right side
    252,848.01x = 31,965,217,535.40
  5. Step 5: Solve for x
    x = 31,965,217,535.40/252,848.01
  6. Step 6: Final answer
    x = 126,420.68

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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.