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Finding the Fourth Proportional to 322,548.72, 483,829.74 and 117,376.36

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Solution

The fourth proportional to 322,548.72, 483,829.74 and 117,376.36 is: 176,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,548.72 : 483,829.74 = 117,376.36 : x
  2. Step 2: Convert to fraction form
    322,548.72/483,829.74 = 117,376.36/x
  3. Step 3: Cross multiply
    322,548.72x = 483,829.74 × 117,376.36
  4. Step 4: Simplify right side
    322,548.72x = 56,790,173,740.95
  5. Step 5: Solve for x
    x = 56,790,173,740.95/322,548.72
  6. Step 6: Final answer
    x = 176,066.96

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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.