Home / 385,895.76-532,721.25-271,272.66

Finding the Fourth Proportional to 385,895.76, 532,721.25 and 271,272.66

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Solution

The fourth proportional to 385,895.76, 532,721.25 and 271,272.66 is: 374,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,895.76 : 532,721.25 = 271,272.66 : x
  2. Step 2: Convert to fraction form
    385,895.76/532,721.25 = 271,272.66/x
  3. Step 3: Cross multiply
    385,895.76x = 532,721.25 × 271,272.66
  4. Step 4: Simplify right side
    385,895.76x = 144,512,710,526.03
  5. Step 5: Solve for x
    x = 144,512,710,526.03/385,895.76
  6. Step 6: Final answer
    x = 374,486.39

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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.