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Finding the Fourth Proportional to 377,479.23, 566,218.74 and 137,611.11

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Solution

The fourth proportional to 377,479.23, 566,218.74 and 137,611.11 is: 206,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,479.23 : 566,218.74 = 137,611.11 : x
  2. Step 2: Convert to fraction form
    377,479.23/566,218.74 = 137,611.11/x
  3. Step 3: Cross multiply
    377,479.23x = 566,218.74 × 137,611.11
  4. Step 4: Simplify right side
    377,479.23x = 77,917,989,314.20
  5. Step 5: Solve for x
    x = 77,917,989,314.20/377,479.23
  6. Step 6: Final answer
    x = 206,416.63

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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.