Home / 272,680.53-409,041.30-72,996.49

Finding the Fourth Proportional to 272,680.53, 409,041.30 and 72,996.49

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Solution

The fourth proportional to 272,680.53, 409,041.30 and 72,996.49 is: 109,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,680.53 : 409,041.30 = 72,996.49 : x
  2. Step 2: Convert to fraction form
    272,680.53/409,041.30 = 72,996.49/x
  3. Step 3: Cross multiply
    272,680.53x = 409,041.30 × 72,996.49
  4. Step 4: Simplify right side
    272,680.53x = 29,858,578,800.05
  5. Step 5: Solve for x
    x = 29,858,578,800.05/272,680.53
  6. Step 6: Final answer
    x = 109,500.22

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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.