Home / 215,335.36-323,051.26-65,587.37

Finding the Fourth Proportional to 215,335.36, 323,051.26 and 65,587.37

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Solution

The fourth proportional to 215,335.36, 323,051.26 and 65,587.37 is: 98,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,335.36 : 323,051.26 = 65,587.37 : x
  2. Step 2: Convert to fraction form
    215,335.36/323,051.26 = 65,587.37/x
  3. Step 3: Cross multiply
    215,335.36x = 323,051.26 × 65,587.37
  4. Step 4: Simplify right side
    215,335.36x = 21,188,082,863.97
  5. Step 5: Solve for x
    x = 21,188,082,863.97/215,335.36
  6. Step 6: Final answer
    x = 98,395.74

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1.5x scale

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.