Home / 319,140.06-440,415.33-175,900.11

Finding the Fourth Proportional to 319,140.06, 440,415.33 and 175,900.11

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Solution

The fourth proportional to 319,140.06, 440,415.33 and 175,900.11 is: 242,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,140.06 : 440,415.33 = 175,900.11 : x
  2. Step 2: Convert to fraction form
    319,140.06/440,415.33 = 175,900.11/x
  3. Step 3: Cross multiply
    319,140.06x = 440,415.33 × 175,900.11
  4. Step 4: Simplify right side
    319,140.06x = 77,469,104,992.69
  5. Step 5: Solve for x
    x = 77,469,104,992.69/319,140.06
  6. Step 6: Final answer
    x = 242,743.28

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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.