Home / 257,973.68-385,959.35-226,144.33

Finding the Fourth Proportional to 257,973.68, 385,959.35 and 226,144.33

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Solution

The fourth proportional to 257,973.68, 385,959.35 and 226,144.33 is: 338,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,973.68 : 385,959.35 = 226,144.33 : x
  2. Step 2: Convert to fraction form
    257,973.68/385,959.35 = 226,144.33/x
  3. Step 3: Cross multiply
    257,973.68x = 385,959.35 × 226,144.33
  4. Step 4: Simplify right side
    257,973.68x = 87,282,518,213.45
  5. Step 5: Solve for x
    x = 87,282,518,213.45/257,973.68
  6. Step 6: Final answer
    x = 338,338.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.