Home / 468,515.24-646,551.30-253,655.36

Finding the Fourth Proportional to 468,515.24, 646,551.30 and 253,655.36

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Solution

The fourth proportional to 468,515.24, 646,551.30 and 253,655.36 is: 350,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,515.24 : 646,551.30 = 253,655.36 : x
  2. Step 2: Convert to fraction form
    468,515.24/646,551.30 = 253,655.36/x
  3. Step 3: Cross multiply
    468,515.24x = 646,551.30 × 253,655.36
  4. Step 4: Simplify right side
    468,515.24x = 164,001,202,759.97
  5. Step 5: Solve for x
    x = 164,001,202,759.97/468,515.24
  6. Step 6: Final answer
    x = 350,044.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.