Home / 272,320.30-408,483.35-82,811.49

Finding the Fourth Proportional to 272,320.30, 408,483.35 and 82,811.49

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Solution

The fourth proportional to 272,320.30, 408,483.35 and 82,811.49 is: 124,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,320.30 : 408,483.35 = 82,811.49 : x
  2. Step 2: Convert to fraction form
    272,320.30/408,483.35 = 82,811.49/x
  3. Step 3: Cross multiply
    272,320.30x = 408,483.35 × 82,811.49
  4. Step 4: Simplify right side
    272,320.30x = 33,827,114,853.69
  5. Step 5: Solve for x
    x = 33,827,114,853.69/272,320.30
  6. Step 6: Final answer
    x = 124,218.12

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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.