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Finding the Fourth Proportional to 341,830.98, 512,647.65 and 131,418.90

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Solution

The fourth proportional to 341,830.98, 512,647.65 and 131,418.90 is: 197,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,830.98 : 512,647.65 = 131,418.90 : x
  2. Step 2: Convert to fraction form
    341,830.98/512,647.65 = 131,418.90/x
  3. Step 3: Cross multiply
    341,830.98x = 512,647.65 × 131,418.90
  4. Step 4: Simplify right side
    341,830.98x = 67,371,590,250.59
  5. Step 5: Solve for x
    x = 67,371,590,250.59/341,830.98
  6. Step 6: Final answer
    x = 197,090.36

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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.