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Finding the Fourth Proportional to 343,408.80, 514,495.38 and 323,151.12

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Solution

The fourth proportional to 343,408.80, 514,495.38 and 323,151.12 is: 484,145.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,408.80 : 514,495.38 = 323,151.12 : x
  2. Step 2: Convert to fraction form
    343,408.80/514,495.38 = 323,151.12/x
  3. Step 3: Cross multiply
    343,408.80x = 514,495.38 × 323,151.12
  4. Step 4: Simplify right side
    343,408.80x = 166,259,758,281.83
  5. Step 5: Solve for x
    x = 166,259,758,281.83/343,408.80
  6. Step 6: Final answer
    x = 484,145.31

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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.