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Finding the Fourth Proportional to 301,780.89, 452,741.41 and 88,540.19

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Solution

The fourth proportional to 301,780.89, 452,741.41 and 88,540.19 is: 132,830.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,780.89 : 452,741.41 = 88,540.19 : x
  2. Step 2: Convert to fraction form
    301,780.89/452,741.41 = 88,540.19/x
  3. Step 3: Cross multiply
    301,780.89x = 452,741.41 × 88,540.19
  4. Step 4: Simplify right side
    301,780.89x = 40,085,810,462.27
  5. Step 5: Solve for x
    x = 40,085,810,462.27/301,780.89
  6. Step 6: Final answer
    x = 132,830.84

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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.