Home / 482,938.55-666,421.85-268,061.70

Finding the Fourth Proportional to 482,938.55, 666,421.85 and 268,061.70

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Solution

The fourth proportional to 482,938.55, 666,421.85 and 268,061.70 is: 369,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,938.55 : 666,421.85 = 268,061.70 : x
  2. Step 2: Convert to fraction form
    482,938.55/666,421.85 = 268,061.70/x
  3. Step 3: Cross multiply
    482,938.55x = 666,421.85 × 268,061.70
  4. Step 4: Simplify right side
    482,938.55x = 178,642,175,689.53
  5. Step 5: Solve for x
    x = 178,642,175,689.53/482,938.55
  6. Step 6: Final answer
    x = 369,906.64

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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.