Home / 475,055.20-655,586.81-271,102.06

Finding the Fourth Proportional to 475,055.20, 655,586.81 and 271,102.06

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Solution

The fourth proportional to 475,055.20, 655,586.81 and 271,102.06 is: 374,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,055.20 : 655,586.81 = 271,102.06 : x
  2. Step 2: Convert to fraction form
    475,055.20/655,586.81 = 271,102.06/x
  3. Step 3: Cross multiply
    475,055.20x = 655,586.81 × 271,102.06
  4. Step 4: Simplify right side
    475,055.20x = 177,730,934,699.83
  5. Step 5: Solve for x
    x = 177,730,934,699.83/475,055.20
  6. Step 6: Final answer
    x = 374,126.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.