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Finding the Fourth Proportional to 188,657.79, 282,950.57 and 73,252.28

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Solution

The fourth proportional to 188,657.79, 282,950.57 and 73,252.28 is: 109,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,657.79 : 282,950.57 = 73,252.28 : x
  2. Step 2: Convert to fraction form
    188,657.79/282,950.57 = 73,252.28/x
  3. Step 3: Cross multiply
    188,657.79x = 282,950.57 × 73,252.28
  4. Step 4: Simplify right side
    188,657.79x = 20,726,772,598.79
  5. Step 5: Solve for x
    x = 20,726,772,598.79/188,657.79
  6. Step 6: Final answer
    x = 109,864.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.