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Finding the Fourth Proportional to 303,334.70, 455,347.65 and 178,745.90

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Solution

The fourth proportional to 303,334.70, 455,347.65 and 178,745.90 is: 268,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,334.70 : 455,347.65 = 178,745.90 : x
  2. Step 2: Convert to fraction form
    303,334.70/455,347.65 = 178,745.90/x
  3. Step 3: Cross multiply
    303,334.70x = 455,347.65 × 178,745.90
  4. Step 4: Simplify right side
    303,334.70x = 81,391,525,512.14
  5. Step 5: Solve for x
    x = 81,391,525,512.14/303,334.70
  6. Step 6: Final answer
    x = 268,322.50

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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.