Home / 250,407.55-375,612-72,918.91

Finding the Fourth Proportional to 250,407.55, 375,612 and 72,918.91

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Solution

The fourth proportional to 250,407.55, 375,612 and 72,918.91 is: 109,378.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,407.55 : 375,612 = 72,918.91 : x
  2. Step 2: Convert to fraction form
    250,407.55/375,612 = 72,918.91/x
  3. Step 3: Cross multiply
    250,407.55x = 375,612 × 72,918.91
  4. Step 4: Simplify right side
    250,407.55x = 27,389,217,622.92
  5. Step 5: Solve for x
    x = 27,389,217,622.92/250,407.55
  6. Step 6: Final answer
    x = 109,378.56

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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.