Home / 468,419.29-646,418.09-253,559.30

Finding the Fourth Proportional to 468,419.29, 646,418.09 and 253,559.30

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Solution

The fourth proportional to 468,419.29, 646,418.09 and 253,559.30 is: 349,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,419.29 : 646,418.09 = 253,559.30 : x
  2. Step 2: Convert to fraction form
    468,419.29/646,418.09 = 253,559.30/x
  3. Step 3: Cross multiply
    468,419.29x = 646,418.09 × 253,559.30
  4. Step 4: Simplify right side
    468,419.29x = 163,905,313,907.85
  5. Step 5: Solve for x
    x = 163,905,313,907.85/468,419.29
  6. Step 6: Final answer
    x = 349,911.54

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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.