Home / 272,892.04-409,480.20-206,312.44

Finding the Fourth Proportional to 272,892.04, 409,480.20 and 206,312.44

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Solution

The fourth proportional to 272,892.04, 409,480.20 and 206,312.44 is: 309,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,892.04 : 409,480.20 = 206,312.44 : x
  2. Step 2: Convert to fraction form
    272,892.04/409,480.20 = 206,312.44/x
  3. Step 3: Cross multiply
    272,892.04x = 409,480.20 × 206,312.44
  4. Step 4: Simplify right side
    272,892.04x = 84,480,859,193.69
  5. Step 5: Solve for x
    x = 84,480,859,193.69/272,892.04
  6. Step 6: Final answer
    x = 309,576.12

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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.