Home / 247,007.21-370,289.34-89,198.75

Finding the Fourth Proportional to 247,007.21, 370,289.34 and 89,198.75

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Solution

The fourth proportional to 247,007.21, 370,289.34 and 89,198.75 is: 133,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,007.21 : 370,289.34 = 89,198.75 : x
  2. Step 2: Convert to fraction form
    247,007.21/370,289.34 = 89,198.75/x
  3. Step 3: Cross multiply
    247,007.21x = 370,289.34 × 89,198.75
  4. Step 4: Simplify right side
    247,007.21x = 33,029,347,192.05
  5. Step 5: Solve for x
    x = 33,029,347,192.05/247,007.21
  6. Step 6: Final answer
    x = 133,718.15

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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.