Home / 320,939.07-442,894.60-175,745.49

Finding the Fourth Proportional to 320,939.07, 442,894.60 and 175,745.49

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Solution

The fourth proportional to 320,939.07, 442,894.60 and 175,745.49 is: 242,528.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,939.07 : 442,894.60 = 175,745.49 : x
  2. Step 2: Convert to fraction form
    320,939.07/442,894.60 = 175,745.49/x
  3. Step 3: Cross multiply
    320,939.07x = 442,894.60 × 175,745.49
  4. Step 4: Simplify right side
    320,939.07x = 77,836,728,495.35
  5. Step 5: Solve for x
    x = 77,836,728,495.35/320,939.07
  6. Step 6: Final answer
    x = 242,528.06

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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.