Home / 465,403.10-642,186.30-261,414.94

Finding the Fourth Proportional to 465,403.10, 642,186.30 and 261,414.94

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Solution

The fourth proportional to 465,403.10, 642,186.30 and 261,414.94 is: 360,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,403.10 : 642,186.30 = 261,414.94 : x
  2. Step 2: Convert to fraction form
    465,403.10/642,186.30 = 261,414.94/x
  3. Step 3: Cross multiply
    465,403.10x = 642,186.30 × 261,414.94
  4. Step 4: Simplify right side
    465,403.10x = 167,877,093,083.32
  5. Step 5: Solve for x
    x = 167,877,093,083.32/465,403.10
  6. Step 6: Final answer
    x = 360,713.31

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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.