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Finding the Fourth Proportional to 348,282.88, 522,499.49 and 108,392.06

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Solution

The fourth proportional to 348,282.88, 522,499.49 and 108,392.06 is: 162,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,282.88 : 522,499.49 = 108,392.06 : x
  2. Step 2: Convert to fraction form
    348,282.88/522,499.49 = 108,392.06/x
  3. Step 3: Cross multiply
    348,282.88x = 522,499.49 × 108,392.06
  4. Step 4: Simplify right side
    348,282.88x = 56,634,796,070.05
  5. Step 5: Solve for x
    x = 56,634,796,070.05/348,282.88
  6. Step 6: Final answer
    x = 162,611.48

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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.