Home / 293,121.60-439,828.20-115,634.40

Finding the Fourth Proportional to 293,121.60, 439,828.20 and 115,634.40

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Solution

The fourth proportional to 293,121.60, 439,828.20 and 115,634.40 is: 173,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,121.60 : 439,828.20 = 115,634.40 : x
  2. Step 2: Convert to fraction form
    293,121.60/439,828.20 = 115,634.40/x
  3. Step 3: Cross multiply
    293,121.60x = 439,828.20 × 115,634.40
  4. Step 4: Simplify right side
    293,121.60x = 50,859,270,010.08
  5. Step 5: Solve for x
    x = 50,859,270,010.08/293,121.60
  6. Step 6: Final answer
    x = 173,509.12

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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.