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Finding the Fourth Proportional to 188,623.80, 282,927.60 and 63,964.80

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Solution

The fourth proportional to 188,623.80, 282,927.60 and 63,964.80 is: 95,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,623.80 : 282,927.60 = 63,964.80 : x
  2. Step 2: Convert to fraction form
    188,623.80/282,927.60 = 63,964.80/x
  3. Step 3: Cross multiply
    188,623.80x = 282,927.60 × 63,964.80
  4. Step 4: Simplify right side
    188,623.80x = 18,097,407,348.48
  5. Step 5: Solve for x
    x = 18,097,407,348.48/188,623.80
  6. Step 6: Final answer
    x = 95,944.45

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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.