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Finding the Fourth Proportional to 167,622, 251,448.12 and 42,964.08

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Solution

The fourth proportional to 167,622, 251,448.12 and 42,964.08 is: 64,450.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,622 : 251,448.12 = 42,964.08 : x
  2. Step 2: Convert to fraction form
    167,622/251,448.12 = 42,964.08/x
  3. Step 3: Cross multiply
    167,622x = 251,448.12 × 42,964.08
  4. Step 4: Simplify right side
    167,622x = 10,803,237,143.53
  5. Step 5: Solve for x
    x = 10,803,237,143.53/167,622
  6. Step 6: Final answer
    x = 64,450.00

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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.