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Finding the Fourth Proportional to 237,162.48, 355,743.72 and 112,435.44

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Solution

The fourth proportional to 237,162.48, 355,743.72 and 112,435.44 is: 168,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,162.48 : 355,743.72 = 112,435.44 : x
  2. Step 2: Convert to fraction form
    237,162.48/355,743.72 = 112,435.44/x
  3. Step 3: Cross multiply
    237,162.48x = 355,743.72 × 112,435.44
  4. Step 4: Simplify right side
    237,162.48x = 39,998,201,685.44
  5. Step 5: Solve for x
    x = 39,998,201,685.44/237,162.48
  6. Step 6: Final answer
    x = 168,653.16

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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.