Home / 215,015.16-322,535.07-65,260.35

Finding the Fourth Proportional to 215,015.16, 322,535.07 and 65,260.35

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Solution

The fourth proportional to 215,015.16, 322,535.07 and 65,260.35 is: 97,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,015.16 : 322,535.07 = 65,260.35 : x
  2. Step 2: Convert to fraction form
    215,015.16/322,535.07 = 65,260.35/x
  3. Step 3: Cross multiply
    215,015.16x = 322,535.07 × 65,260.35
  4. Step 4: Simplify right side
    215,015.16x = 21,048,751,555.47
  5. Step 5: Solve for x
    x = 21,048,751,555.47/215,015.16
  6. Step 6: Final answer
    x = 97,894.27

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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.