Home / 410,287.41-616,513.55-220,887.81

Finding the Fourth Proportional to 410,287.41, 616,513.55 and 220,887.81

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Solution

The fourth proportional to 410,287.41, 616,513.55 and 220,887.81 is: 331,914.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,287.41 : 616,513.55 = 220,887.81 : x
  2. Step 2: Convert to fraction form
    410,287.41/616,513.55 = 220,887.81/x
  3. Step 3: Cross multiply
    410,287.41x = 616,513.55 × 220,887.81
  4. Step 4: Simplify right side
    410,287.41x = 136,180,326,790.39
  5. Step 5: Solve for x
    x = 136,180,326,790.39/410,287.41
  6. Step 6: Final answer
    x = 331,914.47

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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.