Home / 209,277.20-288,794.64-113,780.60

Finding the Fourth Proportional to 209,277.20, 288,794.64 and 113,780.60

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Solution

The fourth proportional to 209,277.20, 288,794.64 and 113,780.60 is: 157,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,277.20 : 288,794.64 = 113,780.60 : x
  2. Step 2: Convert to fraction form
    209,277.20/288,794.64 = 113,780.60/x
  3. Step 3: Cross multiply
    209,277.20x = 288,794.64 × 113,780.60
  4. Step 4: Simplify right side
    209,277.20x = 32,859,227,415.98
  5. Step 5: Solve for x
    x = 32,859,227,415.98/209,277.20
  6. Step 6: Final answer
    x = 157,012.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.