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Finding the Fourth Proportional to 255,455.52, 352,536 and 140,741.52

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Solution

The fourth proportional to 255,455.52, 352,536 and 140,741.52 is: 194,227.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,455.52 : 352,536 = 140,741.52 : x
  2. Step 2: Convert to fraction form
    255,455.52/352,536 = 140,741.52/x
  3. Step 3: Cross multiply
    255,455.52x = 352,536 × 140,741.52
  4. Step 4: Simplify right side
    255,455.52x = 49,616,452,494.72
  5. Step 5: Solve for x
    x = 49,616,452,494.72/255,455.52
  6. Step 6: Final answer
    x = 194,227.36

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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.