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Finding the Fourth Proportional to 199,423.60, 299,135.40 and 179,740.60

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Solution

The fourth proportional to 199,423.60, 299,135.40 and 179,740.60 is: 269,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,423.60 : 299,135.40 = 179,740.60 : x
  2. Step 2: Convert to fraction form
    199,423.60/299,135.40 = 179,740.60/x
  3. Step 3: Cross multiply
    199,423.60x = 299,135.40 × 179,740.60
  4. Step 4: Simplify right side
    199,423.60x = 53,766,776,277.24
  5. Step 5: Solve for x
    x = 53,766,776,277.24/199,423.60
  6. Step 6: Final answer
    x = 269,610.90

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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.