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Finding the Fourth Proportional to 188,480.42, 282,720.81 and 88,567.34

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Solution

The fourth proportional to 188,480.42, 282,720.81 and 88,567.34 is: 132,851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,480.42 : 282,720.81 = 88,567.34 : x
  2. Step 2: Convert to fraction form
    188,480.42/282,720.81 = 88,567.34/x
  3. Step 3: Cross multiply
    188,480.42x = 282,720.81 × 88,567.34
  4. Step 4: Simplify right side
    188,480.42x = 25,039,830,104.35
  5. Step 5: Solve for x
    x = 25,039,830,104.35/188,480.42
  6. Step 6: Final answer
    x = 132,851.09

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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.