Home / 351,261.32-484,752.42-215,269.04

Finding the Fourth Proportional to 351,261.32, 484,752.42 and 215,269.04

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Solution

The fourth proportional to 351,261.32, 484,752.42 and 215,269.04 is: 297,078.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,261.32 : 484,752.42 = 215,269.04 : x
  2. Step 2: Convert to fraction form
    351,261.32/484,752.42 = 215,269.04/x
  3. Step 3: Cross multiply
    351,261.32x = 484,752.42 × 215,269.04
  4. Step 4: Simplify right side
    351,261.32x = 104,352,189,302.96
  5. Step 5: Solve for x
    x = 104,352,189,302.96/351,261.32
  6. Step 6: Final answer
    x = 297,078.51

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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.