Home / 273,933.25-378,020.85-153,075.53

Finding the Fourth Proportional to 273,933.25, 378,020.85 and 153,075.53

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Solution

The fourth proportional to 273,933.25, 378,020.85 and 153,075.53 is: 211,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,933.25 : 378,020.85 = 153,075.53 : x
  2. Step 2: Convert to fraction form
    273,933.25/378,020.85 = 153,075.53/x
  3. Step 3: Cross multiply
    273,933.25x = 378,020.85 × 153,075.53
  4. Step 4: Simplify right side
    273,933.25x = 57,865,741,964.80
  5. Step 5: Solve for x
    x = 57,865,741,964.80/273,933.25
  6. Step 6: Final answer
    x = 211,240.30

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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.