Home / 268,731.30-371,002.15-178,209.47

Finding the Fourth Proportional to 268,731.30, 371,002.15 and 178,209.47

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Solution

The fourth proportional to 268,731.30, 371,002.15 and 178,209.47 is: 246,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,731.30 : 371,002.15 = 178,209.47 : x
  2. Step 2: Convert to fraction form
    268,731.30/371,002.15 = 178,209.47/x
  3. Step 3: Cross multiply
    268,731.30x = 371,002.15 × 178,209.47
  4. Step 4: Simplify right side
    268,731.30x = 66,116,095,082.53
  5. Step 5: Solve for x
    x = 66,116,095,082.53/268,731.30
  6. Step 6: Final answer
    x = 246,030.50

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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.