Home / 318,104.73-438,985.05-174,865.68

Finding the Fourth Proportional to 318,104.73, 438,985.05 and 174,865.68

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Solution

The fourth proportional to 318,104.73, 438,985.05 and 174,865.68 is: 241,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,104.73 : 438,985.05 = 174,865.68 : x
  2. Step 2: Convert to fraction form
    318,104.73/438,985.05 = 174,865.68/x
  3. Step 3: Cross multiply
    318,104.73x = 438,985.05 × 174,865.68
  4. Step 4: Simplify right side
    318,104.73x = 76,763,419,278.08
  5. Step 5: Solve for x
    x = 76,763,419,278.08/318,104.73
  6. Step 6: Final answer
    x = 241,314.93

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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.