Home / 272,612.22-409,001.73-139,586.58

Finding the Fourth Proportional to 272,612.22, 409,001.73 and 139,586.58

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Solution

The fourth proportional to 272,612.22, 409,001.73 and 139,586.58 is: 209,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,612.22 : 409,001.73 = 139,586.58 : x
  2. Step 2: Convert to fraction form
    272,612.22/409,001.73 = 139,586.58/x
  3. Step 3: Cross multiply
    272,612.22x = 409,001.73 × 139,586.58
  4. Step 4: Simplify right side
    272,612.22x = 57,091,152,704.78
  5. Step 5: Solve for x
    x = 57,091,152,704.78/272,612.22
  6. Step 6: Final answer
    x = 209,422.57

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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.