Home / 318,275.79-439,224.93-182,309.64

Finding the Fourth Proportional to 318,275.79, 439,224.93 and 182,309.64

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Solution

The fourth proportional to 318,275.79, 439,224.93 and 182,309.64 is: 251,589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,275.79 : 439,224.93 = 182,309.64 : x
  2. Step 2: Convert to fraction form
    318,275.79/439,224.93 = 182,309.64/x
  3. Step 3: Cross multiply
    318,275.79x = 439,224.93 × 182,309.64
  4. Step 4: Simplify right side
    318,275.79x = 80,074,938,867.33
  5. Step 5: Solve for x
    x = 80,074,938,867.33/318,275.79
  6. Step 6: Final answer
    x = 251,589.79

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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.