Home / 340,559.36-510,921.76-103,906.24

Finding the Fourth Proportional to 340,559.36, 510,921.76 and 103,906.24

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Solution

The fourth proportional to 340,559.36, 510,921.76 and 103,906.24 is: 155,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,559.36 : 510,921.76 = 103,906.24 : x
  2. Step 2: Convert to fraction form
    340,559.36/510,921.76 = 103,906.24/x
  3. Step 3: Cross multiply
    340,559.36x = 510,921.76 × 103,906.24
  4. Step 4: Simplify right side
    340,559.36x = 53,087,959,015.78
  5. Step 5: Solve for x
    x = 53,087,959,015.78/340,559.36
  6. Step 6: Final answer
    x = 155,884.60

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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.