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Finding the Fourth Proportional to 389,124.25, 537,241.26 and 244,128.74

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Solution

The fourth proportional to 389,124.25, 537,241.26 and 244,128.74 is: 337,054.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,124.25 : 537,241.26 = 244,128.74 : x
  2. Step 2: Convert to fraction form
    389,124.25/537,241.26 = 244,128.74/x
  3. Step 3: Cross multiply
    389,124.25x = 537,241.26 × 244,128.74
  4. Step 4: Simplify right side
    389,124.25x = 131,156,028,735.87
  5. Step 5: Solve for x
    x = 131,156,028,735.87/389,124.25
  6. Step 6: Final answer
    x = 337,054.37

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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.