Home / 207,273.40-310,910.10-162,172.60

Finding the Fourth Proportional to 207,273.40, 310,910.10 and 162,172.60

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Solution

The fourth proportional to 207,273.40, 310,910.10 and 162,172.60 is: 243,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,273.40 : 310,910.10 = 162,172.60 : x
  2. Step 2: Convert to fraction form
    207,273.40/310,910.10 = 162,172.60/x
  3. Step 3: Cross multiply
    207,273.40x = 310,910.10 × 162,172.60
  4. Step 4: Simplify right side
    207,273.40x = 50,421,099,283.26
  5. Step 5: Solve for x
    x = 50,421,099,283.26/207,273.40
  6. Step 6: Final answer
    x = 243,258.90

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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.