Home / 243,738.20-365,459.70-159,396.56

Finding the Fourth Proportional to 243,738.20, 365,459.70 and 159,396.56

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Solution

The fourth proportional to 243,738.20, 365,459.70 and 159,396.56 is: 238,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,738.20 : 365,459.70 = 159,396.56 : x
  2. Step 2: Convert to fraction form
    243,738.20/365,459.70 = 159,396.56/x
  3. Step 3: Cross multiply
    243,738.20x = 365,459.70 × 159,396.56
  4. Step 4: Simplify right side
    243,738.20x = 58,253,018,998.63
  5. Step 5: Solve for x
    x = 58,253,018,998.63/243,738.20
  6. Step 6: Final answer
    x = 238,998.31

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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.