Home / 340,617.09-510,929.28-115,983.03

Finding the Fourth Proportional to 340,617.09, 510,929.28 and 115,983.03

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Solution

The fourth proportional to 340,617.09, 510,929.28 and 115,983.03 is: 173,975.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,617.09 : 510,929.28 = 115,983.03 : x
  2. Step 2: Convert to fraction form
    340,617.09/510,929.28 = 115,983.03/x
  3. Step 3: Cross multiply
    340,617.09x = 510,929.28 × 115,983.03
  4. Step 4: Simplify right side
    340,617.09x = 59,259,126,010.12
  5. Step 5: Solve for x
    x = 59,259,126,010.12/340,617.09
  6. Step 6: Final answer
    x = 173,975.79

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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.