Home / 318,769.29-439,920.05-182,802.15

Finding the Fourth Proportional to 318,769.29, 439,920.05 and 182,802.15

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Solution

The fourth proportional to 318,769.29, 439,920.05 and 182,802.15 is: 252,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,769.29 : 439,920.05 = 182,802.15 : x
  2. Step 2: Convert to fraction form
    318,769.29/439,920.05 = 182,802.15/x
  3. Step 3: Cross multiply
    318,769.29x = 439,920.05 × 182,802.15
  4. Step 4: Simplify right side
    318,769.29x = 80,418,330,054.10
  5. Step 5: Solve for x
    x = 80,418,330,054.10/318,769.29
  6. Step 6: Final answer
    x = 252,277.53

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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.