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Finding the Fourth Proportional to 179,201.40, 268,802.10 and 159,847.80

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Solution

The fourth proportional to 179,201.40, 268,802.10 and 159,847.80 is: 239,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,201.40 : 268,802.10 = 159,847.80 : x
  2. Step 2: Convert to fraction form
    179,201.40/268,802.10 = 159,847.80/x
  3. Step 3: Cross multiply
    179,201.40x = 268,802.10 × 159,847.80
  4. Step 4: Simplify right side
    179,201.40x = 42,967,424,320.38
  5. Step 5: Solve for x
    x = 42,967,424,320.38/179,201.40
  6. Step 6: Final answer
    x = 239,771.70

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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.