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Finding the Fourth Proportional to 329,376.96, 454,372.56 and 208,314.72

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Solution

The fourth proportional to 329,376.96, 454,372.56 and 208,314.72 is: 287,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,376.96 : 454,372.56 = 208,314.72 : x
  2. Step 2: Convert to fraction form
    329,376.96/454,372.56 = 208,314.72/x
  3. Step 3: Cross multiply
    329,376.96x = 454,372.56 × 208,314.72
  4. Step 4: Simplify right side
    329,376.96x = 94,652,492,612.08
  5. Step 5: Solve for x
    x = 94,652,492,612.08/329,376.96
  6. Step 6: Final answer
    x = 287,368.29

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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.