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Finding the Fourth Proportional to 329,427.63, 454,610.15 and 178,524.63

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Solution

The fourth proportional to 329,427.63, 454,610.15 and 178,524.63 is: 246,364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,427.63 : 454,610.15 = 178,524.63 : x
  2. Step 2: Convert to fraction form
    329,427.63/454,610.15 = 178,524.63/x
  3. Step 3: Cross multiply
    329,427.63x = 454,610.15 × 178,524.63
  4. Step 4: Simplify right side
    329,427.63x = 81,159,108,822.99
  5. Step 5: Solve for x
    x = 81,159,108,822.99/329,427.63
  6. Step 6: Final answer
    x = 246,364.00

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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.