Home / 318,571.07-477,939.35-118,892.97

Finding the Fourth Proportional to 318,571.07, 477,939.35 and 118,892.97

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Solution

The fourth proportional to 318,571.07, 477,939.35 and 118,892.97 is: 178,370.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,571.07 : 477,939.35 = 118,892.97 : x
  2. Step 2: Convert to fraction form
    318,571.07/477,939.35 = 118,892.97/x
  3. Step 3: Cross multiply
    318,571.07x = 477,939.35 × 118,892.97
  4. Step 4: Simplify right side
    318,571.07x = 56,823,629,098.60
  5. Step 5: Solve for x
    x = 56,823,629,098.60/318,571.07
  6. Step 6: Final answer
    x = 178,370.34

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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.