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Finding the Fourth Proportional to 368,954.29, 508,084.90 and 320,534.11

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Solution

The fourth proportional to 368,954.29, 508,084.90 and 320,534.11 is: 441,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,954.29 : 508,084.90 = 320,534.11 : x
  2. Step 2: Convert to fraction form
    368,954.29/508,084.90 = 320,534.11/x
  3. Step 3: Cross multiply
    368,954.29x = 508,084.90 × 320,534.11
  4. Step 4: Simplify right side
    368,954.29x = 162,858,541,225.94
  5. Step 5: Solve for x
    x = 162,858,541,225.94/368,954.29
  6. Step 6: Final answer
    x = 441,405.74

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Why These Related Problems?

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