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Finding the Fourth Proportional to 255,595.60, 352,721.94 and 148,227.91

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Solution

The fourth proportional to 255,595.60, 352,721.94 and 148,227.91 is: 204,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,595.60 : 352,721.94 = 148,227.91 : x
  2. Step 2: Convert to fraction form
    255,595.60/352,721.94 = 148,227.91/x
  3. Step 3: Cross multiply
    255,595.60x = 352,721.94 × 148,227.91
  4. Step 4: Simplify right side
    255,595.60x = 52,283,235,977.35
  5. Step 5: Solve for x
    x = 52,283,235,977.35/255,595.60
  6. Step 6: Final answer
    x = 204,554.52

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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.