Home / 318,394.56-439,370.64-175,145.52

Finding the Fourth Proportional to 318,394.56, 439,370.64 and 175,145.52

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Solution

The fourth proportional to 318,394.56, 439,370.64 and 175,145.52 is: 241,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,394.56 : 439,370.64 = 175,145.52 : x
  2. Step 2: Convert to fraction form
    318,394.56/439,370.64 = 175,145.52/x
  3. Step 3: Cross multiply
    318,394.56x = 439,370.64 × 175,145.52
  4. Step 4: Simplify right side
    318,394.56x = 76,953,799,215.53
  5. Step 5: Solve for x
    x = 76,953,799,215.53/318,394.56
  6. Step 6: Final answer
    x = 241,693.20

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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.