Home / 245,721.33-368,581.73-77,256.38

Finding the Fourth Proportional to 245,721.33, 368,581.73 and 77,256.38

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Solution

The fourth proportional to 245,721.33, 368,581.73 and 77,256.38 is: 115,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,721.33 : 368,581.73 = 77,256.38 : x
  2. Step 2: Convert to fraction form
    245,721.33/368,581.73 = 77,256.38/x
  3. Step 3: Cross multiply
    245,721.33x = 368,581.73 × 77,256.38
  4. Step 4: Simplify right side
    245,721.33x = 28,475,290,729.11
  5. Step 5: Solve for x
    x = 28,475,290,729.11/245,721.33
  6. Step 6: Final answer
    x = 115,884.49

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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.