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Finding the Fourth Proportional to 213,608, 294,767.52 and 118,109.12

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Solution

The fourth proportional to 213,608, 294,767.52 and 118,109.12 is: 162,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,608 : 294,767.52 = 118,109.12 : x
  2. Step 2: Convert to fraction form
    213,608/294,767.52 = 118,109.12/x
  3. Step 3: Cross multiply
    213,608x = 294,767.52 × 118,109.12
  4. Step 4: Simplify right side
    213,608x = 34,814,732,391.78
  5. Step 5: Solve for x
    x = 34,814,732,391.78/213,608
  6. Step 6: Final answer
    x = 162,984.22

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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.