Home / 342,121.04-472,115.12-187,075.95

Finding the Fourth Proportional to 342,121.04, 472,115.12 and 187,075.95

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Solution

The fourth proportional to 342,121.04, 472,115.12 and 187,075.95 is: 258,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,121.04 : 472,115.12 = 187,075.95 : x
  2. Step 2: Convert to fraction form
    342,121.04/472,115.12 = 187,075.95/x
  3. Step 3: Cross multiply
    342,121.04x = 472,115.12 × 187,075.95
  4. Step 4: Simplify right side
    342,121.04x = 88,321,385,051.05
  5. Step 5: Solve for x
    x = 88,321,385,051.05/342,121.04
  6. Step 6: Final answer
    x = 258,158.30

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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.