Home / 266,419.06-367,683.27-145,578.25

Finding the Fourth Proportional to 266,419.06, 367,683.27 and 145,578.25

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Solution

The fourth proportional to 266,419.06, 367,683.27 and 145,578.25 is: 200,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,419.06 : 367,683.27 = 145,578.25 : x
  2. Step 2: Convert to fraction form
    266,419.06/367,683.27 = 145,578.25/x
  3. Step 3: Cross multiply
    266,419.06x = 367,683.27 × 145,578.25
  4. Step 4: Simplify right side
    266,419.06x = 53,526,687,000.88
  5. Step 5: Solve for x
    x = 53,526,687,000.88/266,419.06
  6. Step 6: Final answer
    x = 200,911.63

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1.5x scale

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.