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Finding the Fourth Proportional to 219,843, 303,383.36 and 124,347.64

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Solution

The fourth proportional to 219,843, 303,383.36 and 124,347.64 is: 171,599.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,843 : 303,383.36 = 124,347.64 : x
  2. Step 2: Convert to fraction form
    219,843/303,383.36 = 124,347.64/x
  3. Step 3: Cross multiply
    219,843x = 303,383.36 × 124,347.64
  4. Step 4: Simplify right side
    219,843x = 37,725,004,831.27
  5. Step 5: Solve for x
    x = 37,725,004,831.27/219,843
  6. Step 6: Final answer
    x = 171,599.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.