Home / 215,452.32-322,152.48-196,630.35

Finding the Fourth Proportional to 215,452.32, 322,152.48 and 196,630.35

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Solution

The fourth proportional to 215,452.32, 322,152.48 and 196,630.35 is: 294,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,452.32 : 322,152.48 = 196,630.35 : x
  2. Step 2: Convert to fraction form
    215,452.32/322,152.48 = 196,630.35/x
  3. Step 3: Cross multiply
    215,452.32x = 322,152.48 × 196,630.35
  4. Step 4: Simplify right side
    215,452.32x = 63,344,954,895.77
  5. Step 5: Solve for x
    x = 63,344,954,895.77/215,452.32
  6. Step 6: Final answer
    x = 294,009.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.