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Finding the Fourth Proportional to 366,231.88, 548,904.93 and 188,642.01

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Solution

The fourth proportional to 366,231.88, 548,904.93 and 188,642.01 is: 282,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,231.88 : 548,904.93 = 188,642.01 : x
  2. Step 2: Convert to fraction form
    366,231.88/548,904.93 = 188,642.01/x
  3. Step 3: Cross multiply
    366,231.88x = 548,904.93 × 188,642.01
  4. Step 4: Simplify right side
    366,231.88x = 103,546,529,294.11
  5. Step 5: Solve for x
    x = 103,546,529,294.11/366,231.88
  6. Step 6: Final answer
    x = 282,734.89

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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.