Home / 340,935.12-511,635.96-174,839.76

Finding the Fourth Proportional to 340,935.12, 511,635.96 and 174,839.76

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Solution

The fourth proportional to 340,935.12, 511,635.96 and 174,839.76 is: 262,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,935.12 : 511,635.96 = 174,839.76 : x
  2. Step 2: Convert to fraction form
    340,935.12/511,635.96 = 174,839.76/x
  3. Step 3: Cross multiply
    340,935.12x = 511,635.96 × 174,839.76
  4. Step 4: Simplify right side
    340,935.12x = 89,454,308,453.77
  5. Step 5: Solve for x
    x = 89,454,308,453.77/340,935.12
  6. Step 6: Final answer
    x = 262,379.27

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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.