Home / 318,217.09-439,150.88-174,988.03

Finding the Fourth Proportional to 318,217.09, 439,150.88 and 174,988.03

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Solution

The fourth proportional to 318,217.09, 439,150.88 and 174,988.03 is: 241,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,217.09 : 439,150.88 = 174,988.03 : x
  2. Step 2: Convert to fraction form
    318,217.09/439,150.88 = 174,988.03/x
  3. Step 3: Cross multiply
    318,217.09x = 439,150.88 × 174,988.03
  4. Step 4: Simplify right side
    318,217.09x = 76,846,144,293.27
  5. Step 5: Solve for x
    x = 76,846,144,293.27/318,217.09
  6. Step 6: Final answer
    x = 241,489.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.