Home / 272,031.90-408,047.85-270,476.70

Finding the Fourth Proportional to 272,031.90, 408,047.85 and 270,476.70

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Solution

The fourth proportional to 272,031.90, 408,047.85 and 270,476.70 is: 405,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,031.90 : 408,047.85 = 270,476.70 : x
  2. Step 2: Convert to fraction form
    272,031.90/408,047.85 = 270,476.70/x
  3. Step 3: Cross multiply
    272,031.90x = 408,047.85 × 270,476.70
  4. Step 4: Simplify right side
    272,031.90x = 110,367,435,910.10
  5. Step 5: Solve for x
    x = 110,367,435,910.10/272,031.90
  6. Step 6: Final answer
    x = 405,715.05

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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.