Home / 245,407.24-368,100.15-76,923.73

Finding the Fourth Proportional to 245,407.24, 368,100.15 and 76,923.73

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Solution

The fourth proportional to 245,407.24, 368,100.15 and 76,923.73 is: 115,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,407.24 : 368,100.15 = 76,923.73 : x
  2. Step 2: Convert to fraction form
    245,407.24/368,100.15 = 76,923.73/x
  3. Step 3: Cross multiply
    245,407.24x = 368,100.15 × 76,923.73
  4. Step 4: Simplify right side
    245,407.24x = 28,315,636,551.56
  5. Step 5: Solve for x
    x = 28,315,636,551.56/245,407.24
  6. Step 6: Final answer
    x = 115,382.24

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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.