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Finding the Fourth Proportional to 341,776.34, 512,314.57 and 142,212.59

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Solution

The fourth proportional to 341,776.34, 512,314.57 and 142,212.59 is: 213,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,776.34 : 512,314.57 = 142,212.59 : x
  2. Step 2: Convert to fraction form
    341,776.34/512,314.57 = 142,212.59/x
  3. Step 3: Cross multiply
    341,776.34x = 512,314.57 × 142,212.59
  4. Step 4: Simplify right side
    341,776.34x = 72,857,579,990.92
  5. Step 5: Solve for x
    x = 72,857,579,990.92/341,776.34
  6. Step 6: Final answer
    x = 213,173.27

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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.