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Finding the Fourth Proportional to 348,094.53, 479,857.16 and 271,527.66

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Solution

The fourth proportional to 348,094.53, 479,857.16 and 271,527.66 is: 374,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,094.53 : 479,857.16 = 271,527.66 : x
  2. Step 2: Convert to fraction form
    348,094.53/479,857.16 = 271,527.66/x
  3. Step 3: Cross multiply
    348,094.53x = 479,857.16 × 271,527.66
  4. Step 4: Simplify right side
    348,094.53x = 130,294,492,467.87
  5. Step 5: Solve for x
    x = 130,294,492,467.87/348,094.53
  6. Step 6: Final answer
    x = 374,307.78

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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.