Home / 243,821.04-336,498.36-140,458.80

Finding the Fourth Proportional to 243,821.04, 336,498.36 and 140,458.80

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Solution

The fourth proportional to 243,821.04, 336,498.36 and 140,458.80 is: 193,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,821.04 : 336,498.36 = 140,458.80 : x
  2. Step 2: Convert to fraction form
    243,821.04/336,498.36 = 140,458.80/x
  3. Step 3: Cross multiply
    243,821.04x = 336,498.36 × 140,458.80
  4. Step 4: Simplify right side
    243,821.04x = 47,264,155,847.57
  5. Step 5: Solve for x
    x = 47,264,155,847.57/243,821.04
  6. Step 6: Final answer
    x = 193,847.73

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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.