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Finding the Fourth Proportional to 323,937.30, 485,549.55 and 113,466.90

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Solution

The fourth proportional to 323,937.30, 485,549.55 and 113,466.90 is: 170,075.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,937.30 : 485,549.55 = 113,466.90 : x
  2. Step 2: Convert to fraction form
    323,937.30/485,549.55 = 113,466.90/x
  3. Step 3: Cross multiply
    323,937.30x = 485,549.55 × 113,466.90
  4. Step 4: Simplify right side
    323,937.30x = 55,093,802,234.90
  5. Step 5: Solve for x
    x = 55,093,802,234.90/323,937.30
  6. Step 6: Final answer
    x = 170,075.51

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1.5x scale

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.