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Finding the Fourth Proportional to 352,237.96, 528,374.22 and 141,847.48

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Solution

The fourth proportional to 352,237.96, 528,374.22 and 141,847.48 is: 212,778.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,237.96 : 528,374.22 = 141,847.48 : x
  2. Step 2: Convert to fraction form
    352,237.96/528,374.22 = 141,847.48/x
  3. Step 3: Cross multiply
    352,237.96x = 528,374.22 × 141,847.48
  4. Step 4: Simplify right side
    352,237.96x = 74,948,551,603.97
  5. Step 5: Solve for x
    x = 74,948,551,603.97/352,237.96
  6. Step 6: Final answer
    x = 212,778.18

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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.