Home / 152,540.07-228,784.09-40,221.39

Finding the Fourth Proportional to 152,540.07, 228,784.09 and 40,221.39

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Solution

The fourth proportional to 152,540.07, 228,784.09 and 40,221.39 is: 60,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,540.07 : 228,784.09 = 40,221.39 : x
  2. Step 2: Convert to fraction form
    152,540.07/228,784.09 = 40,221.39/x
  3. Step 3: Cross multiply
    152,540.07x = 228,784.09 × 40,221.39
  4. Step 4: Simplify right side
    152,540.07x = 9,202,012,899.00
  5. Step 5: Solve for x
    x = 9,202,012,899.00/152,540.07
  6. Step 6: Final answer
    x = 60,325.22

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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.