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Finding the Fourth Proportional to 188,381.72, 282,572.72 and 118,310.24

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Solution

The fourth proportional to 188,381.72, 282,572.72 and 118,310.24 is: 177,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,381.72 : 282,572.72 = 118,310.24 : x
  2. Step 2: Convert to fraction form
    188,381.72/282,572.72 = 118,310.24/x
  3. Step 3: Cross multiply
    188,381.72x = 282,572.72 × 118,310.24
  4. Step 4: Simplify right side
    188,381.72x = 33,431,246,320.65
  5. Step 5: Solve for x
    x = 33,431,246,320.65/188,381.72
  6. Step 6: Final answer
    x = 177,465.45

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1.5x scale

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.