Home / 272,856.57-409,564.14-225,320.20

Finding the Fourth Proportional to 272,856.57, 409,564.14 and 225,320.20

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Solution

The fourth proportional to 272,856.57, 409,564.14 and 225,320.20 is: 338,210.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,856.57 : 409,564.14 = 225,320.20 : x
  2. Step 2: Convert to fraction form
    272,856.57/409,564.14 = 225,320.20/x
  3. Step 3: Cross multiply
    272,856.57x = 409,564.14 × 225,320.20
  4. Step 4: Simplify right side
    272,856.57x = 92,283,073,937.63
  5. Step 5: Solve for x
    x = 92,283,073,937.63/272,856.57
  6. Step 6: Final answer
    x = 338,210.93

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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.