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Finding the Fourth Proportional to 243,382.51, 336,097.92 and 230,129.29

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Solution

The fourth proportional to 243,382.51, 336,097.92 and 230,129.29 is: 317,795.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,382.51 : 336,097.92 = 230,129.29 : x
  2. Step 2: Convert to fraction form
    243,382.51/336,097.92 = 230,129.29/x
  3. Step 3: Cross multiply
    243,382.51x = 336,097.92 × 230,129.29
  4. Step 4: Simplify right side
    243,382.51x = 77,345,975,700.08
  5. Step 5: Solve for x
    x = 77,345,975,700.08/243,382.51
  6. Step 6: Final answer
    x = 317,795.95

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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.