Home / 257,371.02-385,924.91-107,570.43

Finding the Fourth Proportional to 257,371.02, 385,924.91 and 107,570.43

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Solution

The fourth proportional to 257,371.02, 385,924.91 and 107,570.43 is: 161,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,371.02 : 385,924.91 = 107,570.43 : x
  2. Step 2: Convert to fraction form
    257,371.02/385,924.91 = 107,570.43/x
  3. Step 3: Cross multiply
    257,371.02x = 385,924.91 × 107,570.43
  4. Step 4: Simplify right side
    257,371.02x = 41,514,107,978.56
  5. Step 5: Solve for x
    x = 41,514,107,978.56/257,371.02
  6. Step 6: Final answer
    x = 161,300.63

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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.