Home / 279,593.02-385,849.29-158,745.55

Finding the Fourth Proportional to 279,593.02, 385,849.29 and 158,745.55

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Solution

The fourth proportional to 279,593.02, 385,849.29 and 158,745.55 is: 219,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,593.02 : 385,849.29 = 158,745.55 : x
  2. Step 2: Convert to fraction form
    279,593.02/385,849.29 = 158,745.55/x
  3. Step 3: Cross multiply
    279,593.02x = 385,849.29 × 158,745.55
  4. Step 4: Simplify right side
    279,593.02x = 61,251,858,751.03
  5. Step 5: Solve for x
    x = 61,251,858,751.03/279,593.02
  6. Step 6: Final answer
    x = 219,075.06

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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.