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Finding the Fourth Proportional to 468,669.33, 646,760.25 and 253,804.41

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Solution

The fourth proportional to 468,669.33, 646,760.25 and 253,804.41 is: 350,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,669.33 : 646,760.25 = 253,804.41 : x
  2. Step 2: Convert to fraction form
    468,669.33/646,760.25 = 253,804.41/x
  3. Step 3: Cross multiply
    468,669.33x = 646,760.25 × 253,804.41
  4. Step 4: Simplify right side
    468,669.33x = 164,150,603,662.70
  5. Step 5: Solve for x
    x = 164,150,603,662.70/468,669.33
  6. Step 6: Final answer
    x = 350,248.23

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1.5x scale

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.