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Finding the Fourth Proportional to 243,853.29, 365,814.86 and 75,388.28

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Solution

The fourth proportional to 243,853.29, 365,814.86 and 75,388.28 is: 113,093.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,853.29 : 365,814.86 = 75,388.28 : x
  2. Step 2: Convert to fraction form
    243,853.29/365,814.86 = 75,388.28/x
  3. Step 3: Cross multiply
    243,853.29x = 365,814.86 × 75,388.28
  4. Step 4: Simplify right side
    243,853.29x = 27,578,150,887.83
  5. Step 5: Solve for x
    x = 27,578,150,887.83/243,853.29
  6. Step 6: Final answer
    x = 113,093.21

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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.