Home / 344,579.66-516,828.45-91,879.10

Finding the Fourth Proportional to 344,579.66, 516,828.45 and 91,879.10

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Solution

The fourth proportional to 344,579.66, 516,828.45 and 91,879.10 is: 137,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,579.66 : 516,828.45 = 91,879.10 : x
  2. Step 2: Convert to fraction form
    344,579.66/516,828.45 = 91,879.10/x
  3. Step 3: Cross multiply
    344,579.66x = 516,828.45 × 91,879.10
  4. Step 4: Simplify right side
    344,579.66x = 47,485,732,840.40
  5. Step 5: Solve for x
    x = 47,485,732,840.40/344,579.66
  6. Step 6: Final answer
    x = 137,807.71

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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.