Home / 335,971.20-503,265.60-230,908.80

Finding the Fourth Proportional to 335,971.20, 503,265.60 and 230,908.80

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Solution

The fourth proportional to 335,971.20, 503,265.60 and 230,908.80 is: 345,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,971.20 : 503,265.60 = 230,908.80 : x
  2. Step 2: Convert to fraction form
    335,971.20/503,265.60 = 230,908.80/x
  3. Step 3: Cross multiply
    335,971.20x = 503,265.60 × 230,908.80
  4. Step 4: Simplify right side
    335,971.20x = 116,208,455,777.28
  5. Step 5: Solve for x
    x = 116,208,455,777.28/335,971.20
  6. Step 6: Final answer
    x = 345,888.15

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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.