Home / 207,384.60-310,942.98-113,865.24

Finding the Fourth Proportional to 207,384.60, 310,942.98 and 113,865.24

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Solution

The fourth proportional to 207,384.60, 310,942.98 and 113,865.24 is: 170,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,384.60 : 310,942.98 = 113,865.24 : x
  2. Step 2: Convert to fraction form
    207,384.60/310,942.98 = 113,865.24/x
  3. Step 3: Cross multiply
    207,384.60x = 310,942.98 × 113,865.24
  4. Step 4: Simplify right side
    207,384.60x = 35,405,597,044.02
  5. Step 5: Solve for x
    x = 35,405,597,044.02/207,384.60
  6. Step 6: Final answer
    x = 170,724.33

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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.