Home / 318,575.07-477,945.36-118,896.97

Finding the Fourth Proportional to 318,575.07, 477,945.36 and 118,896.97

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Solution

The fourth proportional to 318,575.07, 477,945.36 and 118,896.97 is: 178,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,575.07 : 477,945.36 = 118,896.97 : x
  2. Step 2: Convert to fraction form
    318,575.07/477,945.36 = 118,896.97/x
  3. Step 3: Cross multiply
    318,575.07x = 477,945.36 × 118,896.97
  4. Step 4: Simplify right side
    318,575.07x = 56,826,255,129.56
  5. Step 5: Solve for x
    x = 56,826,255,129.56/318,575.07
  6. Step 6: Final answer
    x = 178,376.34

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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.