Home / 272,208.20-408,312.30-82,668.20

Finding the Fourth Proportional to 272,208.20, 408,312.30 and 82,668.20

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Solution

The fourth proportional to 272,208.20, 408,312.30 and 82,668.20 is: 124,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,208.20 : 408,312.30 = 82,668.20 : x
  2. Step 2: Convert to fraction form
    272,208.20/408,312.30 = 82,668.20/x
  3. Step 3: Cross multiply
    272,208.20x = 408,312.30 × 82,668.20
  4. Step 4: Simplify right side
    272,208.20x = 33,754,442,878.86
  5. Step 5: Solve for x
    x = 33,754,442,878.86/272,208.20
  6. Step 6: Final answer
    x = 124,002.30

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1.5x scale

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.