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Finding the Fourth Proportional to 371,645.60, 512,825.21 and 226,398.69

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Solution

The fourth proportional to 371,645.60, 512,825.21 and 226,398.69 is: 312,402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,645.60 : 512,825.21 = 226,398.69 : x
  2. Step 2: Convert to fraction form
    371,645.60/512,825.21 = 226,398.69/x
  3. Step 3: Cross multiply
    371,645.60x = 512,825.21 × 226,398.69
  4. Step 4: Simplify right side
    371,645.60x = 116,102,953,988.77
  5. Step 5: Solve for x
    x = 116,102,953,988.77/371,645.60
  6. Step 6: Final answer
    x = 312,402.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.