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Finding the Fourth Proportional to 436,367.90, 602,185.86 and 242,794.13

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Solution

The fourth proportional to 436,367.90, 602,185.86 and 242,794.13 is: 335,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,367.90 : 602,185.86 = 242,794.13 : x
  2. Step 2: Convert to fraction form
    436,367.90/602,185.86 = 242,794.13/x
  3. Step 3: Cross multiply
    436,367.90x = 602,185.86 × 242,794.13
  4. Step 4: Simplify right side
    436,367.90x = 146,207,193,022.73
  5. Step 5: Solve for x
    x = 146,207,193,022.73/436,367.90
  6. Step 6: Final answer
    x = 335,054.88

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1.5x scale

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.