Home / 243,858.20-336,412.04-157,844.80

Finding the Fourth Proportional to 243,858.20, 336,412.04 and 157,844.80

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Solution

The fourth proportional to 243,858.20, 336,412.04 and 157,844.80 is: 217,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,858.20 : 336,412.04 = 157,844.80 : x
  2. Step 2: Convert to fraction form
    243,858.20/336,412.04 = 157,844.80/x
  3. Step 3: Cross multiply
    243,858.20x = 336,412.04 × 157,844.80
  4. Step 4: Simplify right side
    243,858.20x = 53,100,890,802.68
  5. Step 5: Solve for x
    x = 53,100,890,802.68/243,858.20
  6. Step 6: Final answer
    x = 217,753.15

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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.