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Finding the Fourth Proportional to 242,043.20, 362,805.60 and 108,900.80

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Solution

The fourth proportional to 242,043.20, 362,805.60 and 108,900.80 is: 163,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,043.20 : 362,805.60 = 108,900.80 : x
  2. Step 2: Convert to fraction form
    242,043.20/362,805.60 = 108,900.80/x
  3. Step 3: Cross multiply
    242,043.20x = 362,805.60 × 108,900.80
  4. Step 4: Simplify right side
    242,043.20x = 39,509,820,084.48
  5. Step 5: Solve for x
    x = 39,509,820,084.48/242,043.20
  6. Step 6: Final answer
    x = 163,234.58

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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.