Home / 268,946.86-403,457.27-91,406.22

Finding the Fourth Proportional to 268,946.86, 403,457.27 and 91,406.22

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Solution

The fourth proportional to 268,946.86, 403,457.27 and 91,406.22 is: 137,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,946.86 : 403,457.27 = 91,406.22 : x
  2. Step 2: Convert to fraction form
    268,946.86/403,457.27 = 91,406.22/x
  3. Step 3: Cross multiply
    268,946.86x = 403,457.27 × 91,406.22
  4. Step 4: Simplify right side
    268,946.86x = 36,878,503,982.22
  5. Step 5: Solve for x
    x = 36,878,503,982.22/268,946.86
  6. Step 6: Final answer
    x = 137,121.90

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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.