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Finding the Fourth Proportional to 275,998.60, 413,487.60 and 157,317.40

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Solution

The fourth proportional to 275,998.60, 413,487.60 and 157,317.40 is: 235,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,998.60 : 413,487.60 = 157,317.40 : x
  2. Step 2: Convert to fraction form
    275,998.60/413,487.60 = 157,317.40/x
  3. Step 3: Cross multiply
    275,998.60x = 413,487.60 × 157,317.40
  4. Step 4: Simplify right side
    275,998.60x = 65,048,794,164.24
  5. Step 5: Solve for x
    x = 65,048,794,164.24/275,998.60
  6. Step 6: Final answer
    x = 235,685.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.