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Finding the Fourth Proportional to 268,353, 370,072.80 and 176,310.36

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Solution

The fourth proportional to 268,353, 370,072.80 and 176,310.36 is: 243,141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,353 : 370,072.80 = 176,310.36 : x
  2. Step 2: Convert to fraction form
    268,353/370,072.80 = 176,310.36/x
  3. Step 3: Cross multiply
    268,353x = 370,072.80 × 176,310.36
  4. Step 4: Simplify right side
    268,353x = 65,247,668,594.21
  5. Step 5: Solve for x
    x = 65,247,668,594.21/268,353
  6. Step 6: Final answer
    x = 243,141.19

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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.