Home / 351,261.92-484,753.17-215,269.59

Finding the Fourth Proportional to 351,261.92, 484,753.17 and 215,269.59

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Solution

The fourth proportional to 351,261.92, 484,753.17 and 215,269.59 is: 297,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,261.92 : 484,753.17 = 215,269.59 : x
  2. Step 2: Convert to fraction form
    351,261.92/484,753.17 = 215,269.59/x
  3. Step 3: Cross multiply
    351,261.92x = 484,753.17 × 215,269.59
  4. Step 4: Simplify right side
    351,261.92x = 104,352,616,157.10
  5. Step 5: Solve for x
    x = 104,352,616,157.10/351,261.92
  6. Step 6: Final answer
    x = 297,079.22

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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.