Home / 207,249.20-310,436.40-185,087.60

Finding the Fourth Proportional to 207,249.20, 310,436.40 and 185,087.60

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Solution

The fourth proportional to 207,249.20, 310,436.40 and 185,087.60 is: 277,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,249.20 : 310,436.40 = 185,087.60 : x
  2. Step 2: Convert to fraction form
    207,249.20/310,436.40 = 185,087.60/x
  3. Step 3: Cross multiply
    207,249.20x = 310,436.40 × 185,087.60
  4. Step 4: Simplify right side
    207,249.20x = 57,457,928,228.64
  5. Step 5: Solve for x
    x = 57,457,928,228.64/207,249.20
  6. Step 6: Final answer
    x = 277,240.77

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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.