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Finding the Fourth Proportional to 287,178.33, 396,299.53 and 179,807.56

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Solution

The fourth proportional to 287,178.33, 396,299.53 and 179,807.56 is: 248,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,178.33 : 396,299.53 = 179,807.56 : x
  2. Step 2: Convert to fraction form
    287,178.33/396,299.53 = 179,807.56/x
  3. Step 3: Cross multiply
    287,178.33x = 396,299.53 × 179,807.56
  4. Step 4: Simplify right side
    287,178.33x = 71,257,651,068.93
  5. Step 5: Solve for x
    x = 71,257,651,068.93/287,178.33
  6. Step 6: Final answer
    x = 248,130.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.