Home / 199,429.65-274,653.05-195,075.09

Finding the Fourth Proportional to 199,429.65, 274,653.05 and 195,075.09

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Solution

The fourth proportional to 199,429.65, 274,653.05 and 195,075.09 is: 268,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,429.65 : 274,653.05 = 195,075.09 : x
  2. Step 2: Convert to fraction form
    199,429.65/274,653.05 = 195,075.09/x
  3. Step 3: Cross multiply
    199,429.65x = 274,653.05 × 195,075.09
  4. Step 4: Simplify right side
    199,429.65x = 53,577,967,472.15
  5. Step 5: Solve for x
    x = 53,577,967,472.15/199,429.65
  6. Step 6: Final answer
    x = 268,655.98

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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.