Home / 245,721.23-368,581.55-77,256.27

Finding the Fourth Proportional to 245,721.23, 368,581.55 and 77,256.27

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Solution

The fourth proportional to 245,721.23, 368,581.55 and 77,256.27 is: 115,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,721.23 : 368,581.55 = 77,256.27 : x
  2. Step 2: Convert to fraction form
    245,721.23/368,581.55 = 77,256.27/x
  3. Step 3: Cross multiply
    245,721.23x = 368,581.55 × 77,256.27
  4. Step 4: Simplify right side
    245,721.23x = 28,475,235,357.54
  5. Step 5: Solve for x
    x = 28,475,235,357.54/245,721.23
  6. Step 6: Final answer
    x = 115,884.31

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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.