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Finding the Fourth Proportional to 215,089.62, 296,830.53 and 119,600.34

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Solution

The fourth proportional to 215,089.62, 296,830.53 and 119,600.34 is: 165,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,089.62 : 296,830.53 = 119,600.34 : x
  2. Step 2: Convert to fraction form
    215,089.62/296,830.53 = 119,600.34/x
  3. Step 3: Cross multiply
    215,089.62x = 296,830.53 × 119,600.34
  4. Step 4: Simplify right side
    215,089.62x = 35,501,032,310.38
  5. Step 5: Solve for x
    x = 35,501,032,310.38/215,089.62
  6. Step 6: Final answer
    x = 165,052.28

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1.5x scale

Why These Related Problems?

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