Home / 340,631.09-510,628.94-115,837.91

Finding the Fourth Proportional to 340,631.09, 510,628.94 and 115,837.91

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Solution

The fourth proportional to 340,631.09, 510,628.94 and 115,837.91 is: 173,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,631.09 : 510,628.94 = 115,837.91 : x
  2. Step 2: Convert to fraction form
    340,631.09/510,628.94 = 115,837.91/x
  3. Step 3: Cross multiply
    340,631.09x = 510,628.94 × 115,837.91
  4. Step 4: Simplify right side
    340,631.09x = 59,150,188,615.93
  5. Step 5: Solve for x
    x = 59,150,188,615.93/340,631.09
  6. Step 6: Final answer
    x = 173,648.83

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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.