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Finding the Fourth Proportional to 356,509.36, 535,059.44 and 179,067.16

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Solution

The fourth proportional to 356,509.36, 535,059.44 and 179,067.16 is: 268,749.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,509.36 : 535,059.44 = 179,067.16 : x
  2. Step 2: Convert to fraction form
    356,509.36/535,059.44 = 179,067.16/x
  3. Step 3: Cross multiply
    356,509.36x = 535,059.44 × 179,067.16
  4. Step 4: Simplify right side
    356,509.36x = 95,811,574,351.99
  5. Step 5: Solve for x
    x = 95,811,574,351.99/356,509.36
  6. Step 6: Final answer
    x = 268,749.11

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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.