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Finding the Fourth Proportional to 362,457.52, 543,764.10 and 140,841.52

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Solution

The fourth proportional to 362,457.52, 543,764.10 and 140,841.52 is: 211,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,457.52 : 543,764.10 = 140,841.52 : x
  2. Step 2: Convert to fraction form
    362,457.52/543,764.10 = 140,841.52/x
  3. Step 3: Cross multiply
    362,457.52x = 543,764.10 × 140,841.52
  4. Step 4: Simplify right side
    362,457.52x = 76,584,562,365.43
  5. Step 5: Solve for x
    x = 76,584,562,365.43/362,457.52
  6. Step 6: Final answer
    x = 211,292.52

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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.