Home / 318,159.21-439,062.66-174,920.25

Finding the Fourth Proportional to 318,159.21, 439,062.66 and 174,920.25

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Solution

The fourth proportional to 318,159.21, 439,062.66 and 174,920.25 is: 241,391.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,159.21 : 439,062.66 = 174,920.25 : x
  2. Step 2: Convert to fraction form
    318,159.21/439,062.66 = 174,920.25/x
  3. Step 3: Cross multiply
    318,159.21x = 439,062.66 × 174,920.25
  4. Step 4: Simplify right side
    318,159.21x = 76,800,950,252.87
  5. Step 5: Solve for x
    x = 76,800,950,252.87/318,159.21
  6. Step 6: Final answer
    x = 241,391.57

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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.