Home / 318,143.34-439,026.61-174,902.33

Finding the Fourth Proportional to 318,143.34, 439,026.61 and 174,902.33

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Solution

The fourth proportional to 318,143.34, 439,026.61 and 174,902.33 is: 241,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,143.34 : 439,026.61 = 174,902.33 : x
  2. Step 2: Convert to fraction form
    318,143.34/439,026.61 = 174,902.33/x
  3. Step 3: Cross multiply
    318,143.34x = 439,026.61 × 174,902.33
  4. Step 4: Simplify right side
    318,143.34x = 76,786,777,021.00
  5. Step 5: Solve for x
    x = 76,786,777,021.00/318,143.34
  6. Step 6: Final answer
    x = 241,359.06

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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.