Home / 203,869.40-305,804.10-185,498.60

Finding the Fourth Proportional to 203,869.40, 305,804.10 and 185,498.60

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Solution

The fourth proportional to 203,869.40, 305,804.10 and 185,498.60 is: 278,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,869.40 : 305,804.10 = 185,498.60 : x
  2. Step 2: Convert to fraction form
    203,869.40/305,804.10 = 185,498.60/x
  3. Step 3: Cross multiply
    203,869.40x = 305,804.10 × 185,498.60
  4. Step 4: Simplify right side
    203,869.40x = 56,726,232,424.26
  5. Step 5: Solve for x
    x = 56,726,232,424.26/203,869.40
  6. Step 6: Final answer
    x = 278,247.90

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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.