Home / 388,119.98-582,146.62-236,277.65

Finding the Fourth Proportional to 388,119.98, 582,146.62 and 236,277.65

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Solution

The fourth proportional to 388,119.98, 582,146.62 and 236,277.65 is: 354,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,119.98 : 582,146.62 = 236,277.65 : x
  2. Step 2: Convert to fraction form
    388,119.98/582,146.62 = 236,277.65/x
  3. Step 3: Cross multiply
    388,119.98x = 582,146.62 × 236,277.65
  4. Step 4: Simplify right side
    388,119.98x = 137,548,237,079.76
  5. Step 5: Solve for x
    x = 137,548,237,079.76/388,119.98
  6. Step 6: Final answer
    x = 354,396.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.