Home / 475,240.32-655,823.64-271,302.48

Finding the Fourth Proportional to 475,240.32, 655,823.64 and 271,302.48

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Solution

The fourth proportional to 475,240.32, 655,823.64 and 271,302.48 is: 374,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,240.32 : 655,823.64 = 271,302.48 : x
  2. Step 2: Convert to fraction form
    475,240.32/655,823.64 = 271,302.48/x
  3. Step 3: Cross multiply
    475,240.32x = 655,823.64 × 271,302.48
  4. Step 4: Simplify right side
    475,240.32x = 177,926,579,974.63
  5. Step 5: Solve for x
    x = 177,926,579,974.63/475,240.32
  6. Step 6: Final answer
    x = 374,392.85

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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.