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Finding the Fourth Proportional to 301,781.50, 452,742.27 and 88,540.81

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Solution

The fourth proportional to 301,781.50, 452,742.27 and 88,540.81 is: 132,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,781.50 : 452,742.27 = 88,540.81 : x
  2. Step 2: Convert to fraction form
    301,781.50/452,742.27 = 88,540.81/x
  3. Step 3: Cross multiply
    301,781.50x = 452,742.27 × 88,540.81
  4. Step 4: Simplify right side
    301,781.50x = 40,086,167,307.04
  5. Step 5: Solve for x
    x = 40,086,167,307.04/301,781.50
  6. Step 6: Final answer
    x = 132,831.76

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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.