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Finding the Fourth Proportional to 243,339.99, 335,828.74 and 134,453.81

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Solution

The fourth proportional to 243,339.99, 335,828.74 and 134,453.81 is: 185,557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,339.99 : 335,828.74 = 134,453.81 : x
  2. Step 2: Convert to fraction form
    243,339.99/335,828.74 = 134,453.81/x
  3. Step 3: Cross multiply
    243,339.99x = 335,828.74 × 134,453.81
  4. Step 4: Simplify right side
    243,339.99x = 45,153,454,103.94
  5. Step 5: Solve for x
    x = 45,153,454,103.94/243,339.99
  6. Step 6: Final answer
    x = 185,557.06

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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.