Home / 272,922.36-409,766.10-139,898.04

Finding the Fourth Proportional to 272,922.36, 409,766.10 and 139,898.04

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Solution

The fourth proportional to 272,922.36, 409,766.10 and 139,898.04 is: 210,043.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,922.36 : 409,766.10 = 139,898.04 : x
  2. Step 2: Convert to fraction form
    272,922.36/409,766.10 = 139,898.04/x
  3. Step 3: Cross multiply
    272,922.36x = 409,766.10 × 139,898.04
  4. Step 4: Simplify right side
    272,922.36x = 57,325,474,248.44
  5. Step 5: Solve for x
    x = 57,325,474,248.44/272,922.36
  6. Step 6: Final answer
    x = 210,043.16

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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.