Home / 272,941.16-409,474.04-83,428.47

Finding the Fourth Proportional to 272,941.16, 409,474.04 and 83,428.47

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Solution

The fourth proportional to 272,941.16, 409,474.04 and 83,428.47 is: 125,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,941.16 : 409,474.04 = 83,428.47 : x
  2. Step 2: Convert to fraction form
    272,941.16/409,474.04 = 83,428.47/x
  3. Step 3: Cross multiply
    272,941.16x = 409,474.04 × 83,428.47
  4. Step 4: Simplify right side
    272,941.16x = 34,161,792,244.78
  5. Step 5: Solve for x
    x = 34,161,792,244.78/272,941.16
  6. Step 6: Final answer
    x = 125,161.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.