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Finding the Fourth Proportional to 329,649.84, 454,914.36 and 178,745.76

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Solution

The fourth proportional to 329,649.84, 454,914.36 and 178,745.76 is: 246,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,649.84 : 454,914.36 = 178,745.76 : x
  2. Step 2: Convert to fraction form
    329,649.84/454,914.36 = 178,745.76/x
  3. Step 3: Cross multiply
    329,649.84x = 454,914.36 × 178,745.76
  4. Step 4: Simplify right side
    329,649.84x = 81,314,013,013.11
  5. Step 5: Solve for x
    x = 81,314,013,013.11/329,649.84
  6. Step 6: Final answer
    x = 246,667.84

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1.5x scale

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.