Home / 519,831.16-779,843.96-164,749.84

Finding the Fourth Proportional to 519,831.16, 779,843.96 and 164,749.84

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Solution

The fourth proportional to 519,831.16, 779,843.96 and 164,749.84 is: 247,155.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,831.16 : 779,843.96 = 164,749.84 : x
  2. Step 2: Convert to fraction form
    519,831.16/779,843.96 = 164,749.84/x
  3. Step 3: Cross multiply
    519,831.16x = 779,843.96 × 164,749.84
  4. Step 4: Simplify right side
    519,831.16x = 128,479,167,634.97
  5. Step 5: Solve for x
    x = 128,479,167,634.97/519,831.16
  6. Step 6: Final answer
    x = 247,155.57

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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.