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Finding the Fourth Proportional to 328,902.12, 453,903.18 and 232,137

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Solution

The fourth proportional to 328,902.12, 453,903.18 and 232,137 is: 320,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,902.12 : 453,903.18 = 232,137 : x
  2. Step 2: Convert to fraction form
    328,902.12/453,903.18 = 232,137/x
  3. Step 3: Cross multiply
    328,902.12x = 453,903.18 × 232,137
  4. Step 4: Simplify right side
    328,902.12x = 105,367,722,495.66
  5. Step 5: Solve for x
    x = 105,367,722,495.66/328,902.12
  6. Step 6: Final answer
    x = 320,361.94

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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.