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Finding the Fourth Proportional to 215,144.80, 296,907 and 118,352.68

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Solution

The fourth proportional to 215,144.80, 296,907 and 118,352.68 is: 163,330.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,144.80 : 296,907 = 118,352.68 : x
  2. Step 2: Convert to fraction form
    215,144.80/296,907 = 118,352.68/x
  3. Step 3: Cross multiply
    215,144.80x = 296,907 × 118,352.68
  4. Step 4: Simplify right side
    215,144.80x = 35,139,739,160.76
  5. Step 5: Solve for x
    x = 35,139,739,160.76/215,144.80
  6. Step 6: Final answer
    x = 163,330.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.