Home / 315,964.51-436,033.94-179,996.45

Finding the Fourth Proportional to 315,964.51, 436,033.94 and 179,996.45

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Solution

The fourth proportional to 315,964.51, 436,033.94 and 179,996.45 is: 248,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,964.51 : 436,033.94 = 179,996.45 : x
  2. Step 2: Convert to fraction form
    315,964.51/436,033.94 = 179,996.45/x
  3. Step 3: Cross multiply
    315,964.51x = 436,033.94 × 179,996.45
  4. Step 4: Simplify right side
    315,964.51x = 78,484,558,199.36
  5. Step 5: Solve for x
    x = 78,484,558,199.36/315,964.51
  6. Step 6: Final answer
    x = 248,396.75

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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.