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Finding the Fourth Proportional to 263,152.62, 363,128.68 and 148,424.94

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Solution

The fourth proportional to 263,152.62, 363,128.68 and 148,424.94 is: 204,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,152.62 : 363,128.68 = 148,424.94 : x
  2. Step 2: Convert to fraction form
    263,152.62/363,128.68 = 148,424.94/x
  3. Step 3: Cross multiply
    263,152.62x = 363,128.68 × 148,424.94
  4. Step 4: Simplify right side
    263,152.62x = 53,897,352,541.28
  5. Step 5: Solve for x
    x = 53,897,352,541.28/263,152.62
  6. Step 6: Final answer
    x = 204,814.04

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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.