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Finding the Fourth Proportional to 436,376.97, 602,188.11 and 264,396.78

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Solution

The fourth proportional to 436,376.97, 602,188.11 and 264,396.78 is: 364,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,376.97 : 602,188.11 = 264,396.78 : x
  2. Step 2: Convert to fraction form
    436,376.97/602,188.11 = 264,396.78/x
  3. Step 3: Cross multiply
    436,376.97x = 602,188.11 × 264,396.78
  4. Step 4: Simplify right side
    436,376.97x = 159,216,597,238.29
  5. Step 5: Solve for x
    x = 159,216,597,238.29/436,376.97
  6. Step 6: Final answer
    x = 364,860.22

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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.