Home / 491,220.75-736,831.09-136,234.77

Finding the Fourth Proportional to 491,220.75, 736,831.09 and 136,234.77

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Solution

The fourth proportional to 491,220.75, 736,831.09 and 136,234.77 is: 204,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,220.75 : 736,831.09 = 136,234.77 : x
  2. Step 2: Convert to fraction form
    491,220.75/736,831.09 = 136,234.77/x
  3. Step 3: Cross multiply
    491,220.75x = 736,831.09 × 136,234.77
  4. Step 4: Simplify right side
    491,220.75x = 100,382,009,709.67
  5. Step 5: Solve for x
    x = 100,382,009,709.67/491,220.75
  6. Step 6: Final answer
    x = 204,352.14

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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.