Home / 279,559.62-385,782.09-152,232.42

Finding the Fourth Proportional to 279,559.62, 385,782.09 and 152,232.42

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Solution

The fourth proportional to 279,559.62, 385,782.09 and 152,232.42 is: 210,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,559.62 : 385,782.09 = 152,232.42 : x
  2. Step 2: Convert to fraction form
    279,559.62/385,782.09 = 152,232.42/x
  3. Step 3: Cross multiply
    279,559.62x = 385,782.09 × 152,232.42
  4. Step 4: Simplify right side
    279,559.62x = 58,728,541,153.36
  5. Step 5: Solve for x
    x = 58,728,541,153.36/279,559.62
  6. Step 6: Final answer
    x = 210,075.19

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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.