Home / 207,266.40-310,669.20-88,917.60

Finding the Fourth Proportional to 207,266.40, 310,669.20 and 88,917.60

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Solution

The fourth proportional to 207,266.40, 310,669.20 and 88,917.60 is: 133,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,266.40 : 310,669.20 = 88,917.60 : x
  2. Step 2: Convert to fraction form
    207,266.40/310,669.20 = 88,917.60/x
  3. Step 3: Cross multiply
    207,266.40x = 310,669.20 × 88,917.60
  4. Step 4: Simplify right side
    207,266.40x = 27,623,959,657.92
  5. Step 5: Solve for x
    x = 27,623,959,657.92/207,266.40
  6. Step 6: Final answer
    x = 133,277.56

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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.