Home / 318,291.30-439,220.61-182,325.78

Finding the Fourth Proportional to 318,291.30, 439,220.61 and 182,325.78

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Solution

The fourth proportional to 318,291.30, 439,220.61 and 182,325.78 is: 251,597.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,291.30 : 439,220.61 = 182,325.78 : x
  2. Step 2: Convert to fraction form
    318,291.30/439,220.61 = 182,325.78/x
  3. Step 3: Cross multiply
    318,291.30x = 439,220.61 × 182,325.78
  4. Step 4: Simplify right side
    318,291.30x = 80,081,240,310.33
  5. Step 5: Solve for x
    x = 80,081,240,310.33/318,291.30
  6. Step 6: Final answer
    x = 251,597.33

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1.5x scale

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.