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Finding the Fourth Proportional to 341,808.30, 512,896.32 and 142,266.42

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Solution

The fourth proportional to 341,808.30, 512,896.32 and 142,266.42 is: 213,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,808.30 : 512,896.32 = 142,266.42 : x
  2. Step 2: Convert to fraction form
    341,808.30/512,896.32 = 142,266.42/x
  3. Step 3: Cross multiply
    341,808.30x = 512,896.32 × 142,266.42
  4. Step 4: Simplify right side
    341,808.30x = 72,967,923,277.57
  5. Step 5: Solve for x
    x = 72,967,923,277.57/341,808.30
  6. Step 6: Final answer
    x = 213,476.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.