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Finding the Fourth Proportional to 303,696.84, 455,549.37 and 93,334.78

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Solution

The fourth proportional to 303,696.84, 455,549.37 and 93,334.78 is: 140,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,696.84 : 455,549.37 = 93,334.78 : x
  2. Step 2: Convert to fraction form
    303,696.84/455,549.37 = 93,334.78/x
  3. Step 3: Cross multiply
    303,696.84x = 455,549.37 × 93,334.78
  4. Step 4: Simplify right side
    303,696.84x = 42,518,600,447.52
  5. Step 5: Solve for x
    x = 42,518,600,447.52/303,696.84
  6. Step 6: Final answer
    x = 140,003.43

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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.