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Finding the Fourth Proportional to 188,245.89, 282,285.95 and 88,434.45

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Solution

The fourth proportional to 188,245.89, 282,285.95 and 88,434.45 is: 132,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,245.89 : 282,285.95 = 88,434.45 : x
  2. Step 2: Convert to fraction form
    188,245.89/282,285.95 = 88,434.45/x
  3. Step 3: Cross multiply
    188,245.89x = 282,285.95 × 88,434.45
  4. Step 4: Simplify right side
    188,245.89x = 24,963,802,288.81
  5. Step 5: Solve for x
    x = 24,963,802,288.81/188,245.89
  6. Step 6: Final answer
    x = 132,612.73

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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.