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Finding the Fourth Proportional to 348,274.88, 522,412.88 and 95,558.80

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Solution

The fourth proportional to 348,274.88, 522,412.88 and 95,558.80 is: 143,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,274.88 : 522,412.88 = 95,558.80 : x
  2. Step 2: Convert to fraction form
    348,274.88/522,412.88 = 95,558.80/x
  3. Step 3: Cross multiply
    348,274.88x = 522,412.88 × 95,558.80
  4. Step 4: Simplify right side
    348,274.88x = 49,921,147,917.34
  5. Step 5: Solve for x
    x = 49,921,147,917.34/348,274.88
  6. Step 6: Final answer
    x = 143,338.35

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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.