Home / 511,322.47-766,983.68-156,336.46

Finding the Fourth Proportional to 511,322.47, 766,983.68 and 156,336.46

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Solution

The fourth proportional to 511,322.47, 766,983.68 and 156,336.46 is: 234,504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,322.47 : 766,983.68 = 156,336.46 : x
  2. Step 2: Convert to fraction form
    511,322.47/766,983.68 = 156,336.46/x
  3. Step 3: Cross multiply
    511,322.47x = 766,983.68 × 156,336.46
  4. Step 4: Simplify right side
    511,322.47x = 119,907,511,296.09
  5. Step 5: Solve for x
    x = 119,907,511,296.09/511,322.47
  6. Step 6: Final answer
    x = 234,504.68

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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.