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Finding the Fourth Proportional to 255,504.67, 352,518.39 and 148,053.94

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Solution

The fourth proportional to 255,504.67, 352,518.39 and 148,053.94 is: 204,269.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,504.67 : 352,518.39 = 148,053.94 : x
  2. Step 2: Convert to fraction form
    255,504.67/352,518.39 = 148,053.94/x
  3. Step 3: Cross multiply
    255,504.67x = 352,518.39 × 148,053.94
  4. Step 4: Simplify right side
    255,504.67x = 52,191,735,680.66
  5. Step 5: Solve for x
    x = 52,191,735,680.66/255,504.67
  6. Step 6: Final answer
    x = 204,269.21

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1.5x scale

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.