Home / 486,792.18-671,770.02-271,930.36

Finding the Fourth Proportional to 486,792.18, 671,770.02 and 271,930.36

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Solution

The fourth proportional to 486,792.18, 671,770.02 and 271,930.36 is: 375,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,792.18 : 671,770.02 = 271,930.36 : x
  2. Step 2: Convert to fraction form
    486,792.18/671,770.02 = 271,930.36/x
  3. Step 3: Cross multiply
    486,792.18x = 671,770.02 × 271,930.36
  4. Step 4: Simplify right side
    486,792.18x = 182,674,663,375.81
  5. Step 5: Solve for x
    x = 182,674,663,375.81/486,792.18
  6. Step 6: Final answer
    x = 375,262.12

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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.