Home / 252,984.96-379,421.55-73,031.28

Finding the Fourth Proportional to 252,984.96, 379,421.55 and 73,031.28

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Solution

The fourth proportional to 252,984.96, 379,421.55 and 73,031.28 is: 109,530.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,984.96 : 379,421.55 = 73,031.28 : x
  2. Step 2: Convert to fraction form
    252,984.96/379,421.55 = 73,031.28/x
  3. Step 3: Cross multiply
    252,984.96x = 379,421.55 × 73,031.28
  4. Step 4: Simplify right side
    252,984.96x = 27,709,640,033.25
  5. Step 5: Solve for x
    x = 27,709,640,033.25/252,984.96
  6. Step 6: Final answer
    x = 109,530.78

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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.