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Finding the Fourth Proportional to 244,381.76, 337,241.32 and 142,400.84

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Solution

The fourth proportional to 244,381.76, 337,241.32 and 142,400.84 is: 196,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,381.76 : 337,241.32 = 142,400.84 : x
  2. Step 2: Convert to fraction form
    244,381.76/337,241.32 = 142,400.84/x
  3. Step 3: Cross multiply
    244,381.76x = 337,241.32 × 142,400.84
  4. Step 4: Simplify right side
    244,381.76x = 48,023,447,250.71
  5. Step 5: Solve for x
    x = 48,023,447,250.71/244,381.76
  6. Step 6: Final answer
    x = 196,509.95

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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.