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Finding the Fourth Proportional to 255,735.56, 352,845.82 and 145,352.68

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Solution

The fourth proportional to 255,735.56, 352,845.82 and 145,352.68 is: 200,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,735.56 : 352,845.82 = 145,352.68 : x
  2. Step 2: Convert to fraction form
    255,735.56/352,845.82 = 145,352.68/x
  3. Step 3: Cross multiply
    255,735.56x = 352,845.82 × 145,352.68
  4. Step 4: Simplify right side
    255,735.56x = 51,287,085,563.80
  5. Step 5: Solve for x
    x = 51,287,085,563.80/255,735.56
  6. Step 6: Final answer
    x = 200,547.34

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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.