Home / 254,865.60-381,837.60-218,001.60

Finding the Fourth Proportional to 254,865.60, 381,837.60 and 218,001.60

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Solution

The fourth proportional to 254,865.60, 381,837.60 and 218,001.60 is: 326,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,865.60 : 381,837.60 = 218,001.60 : x
  2. Step 2: Convert to fraction form
    254,865.60/381,837.60 = 218,001.60/x
  3. Step 3: Cross multiply
    254,865.60x = 381,837.60 × 218,001.60
  4. Step 4: Simplify right side
    254,865.60x = 83,241,207,740.16
  5. Step 5: Solve for x
    x = 83,241,207,740.16/254,865.60
  6. Step 6: Final answer
    x = 326,608.25

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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.