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Finding the Fourth Proportional to 329,255.58, 454,372.71 and 178,352.58

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Solution

The fourth proportional to 329,255.58, 454,372.71 and 178,352.58 is: 246,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,255.58 : 454,372.71 = 178,352.58 : x
  2. Step 2: Convert to fraction form
    329,255.58/454,372.71 = 178,352.58/x
  3. Step 3: Cross multiply
    329,255.58x = 454,372.71 × 178,352.58
  4. Step 4: Simplify right side
    329,255.58x = 81,038,545,110.09
  5. Step 5: Solve for x
    x = 81,038,545,110.09/329,255.58
  6. Step 6: Final answer
    x = 246,126.57

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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.