Home / 205,376.40-307,546.20-152,499.60

Finding the Fourth Proportional to 205,376.40, 307,546.20 and 152,499.60

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Solution

The fourth proportional to 205,376.40, 307,546.20 and 152,499.60 is: 228,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,376.40 : 307,546.20 = 152,499.60 : x
  2. Step 2: Convert to fraction form
    205,376.40/307,546.20 = 152,499.60/x
  3. Step 3: Cross multiply
    205,376.40x = 307,546.20 × 152,499.60
  4. Step 4: Simplify right side
    205,376.40x = 46,900,672,481.52
  5. Step 5: Solve for x
    x = 46,900,672,481.52/205,376.40
  6. Step 6: Final answer
    x = 228,364.47

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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.