Home / 486,299.54-671,091.70-271,437.74

Finding the Fourth Proportional to 486,299.54, 671,091.70 and 271,437.74

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Solution

The fourth proportional to 486,299.54, 671,091.70 and 271,437.74 is: 374,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,299.54 : 671,091.70 = 271,437.74 : x
  2. Step 2: Convert to fraction form
    486,299.54/671,091.70 = 271,437.74/x
  3. Step 3: Cross multiply
    486,299.54x = 671,091.70 × 271,437.74
  4. Step 4: Simplify right side
    486,299.54x = 182,159,614,380.76
  5. Step 5: Solve for x
    x = 182,159,614,380.76/486,299.54
  6. Step 6: Final answer
    x = 374,583.15

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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.