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Finding the Fourth Proportional to 501,831.63, 752,464.80 and 164,780.64

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Solution

The fourth proportional to 501,831.63, 752,464.80 and 164,780.64 is: 247,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,831.63 : 752,464.80 = 164,780.64 : x
  2. Step 2: Convert to fraction form
    501,831.63/752,464.80 = 164,780.64/x
  3. Step 3: Cross multiply
    501,831.63x = 752,464.80 × 164,780.64
  4. Step 4: Simplify right side
    501,831.63x = 123,991,631,321.47
  5. Step 5: Solve for x
    x = 123,991,631,321.47/501,831.63
  6. Step 6: Final answer
    x = 247,078.15

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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.