Home / 306,084.33-422,317.94-178,686.72

Finding the Fourth Proportional to 306,084.33, 422,317.94 and 178,686.72

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Solution

The fourth proportional to 306,084.33, 422,317.94 and 178,686.72 is: 246,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,084.33 : 422,317.94 = 178,686.72 : x
  2. Step 2: Convert to fraction form
    306,084.33/422,317.94 = 178,686.72/x
  3. Step 3: Cross multiply
    306,084.33x = 422,317.94 × 178,686.72
  4. Step 4: Simplify right side
    306,084.33x = 75,462,606,602.32
  5. Step 5: Solve for x
    x = 75,462,606,602.32/306,084.33
  6. Step 6: Final answer
    x = 246,541.88

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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.