Home / 215,535.36-323,303.04-65,776.42

Finding the Fourth Proportional to 215,535.36, 323,303.04 and 65,776.42

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Solution

The fourth proportional to 215,535.36, 323,303.04 and 65,776.42 is: 98,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,535.36 : 323,303.04 = 65,776.42 : x
  2. Step 2: Convert to fraction form
    215,535.36/323,303.04 = 65,776.42/x
  3. Step 3: Cross multiply
    215,535.36x = 323,303.04 × 65,776.42
  4. Step 4: Simplify right side
    215,535.36x = 21,265,716,546.32
  5. Step 5: Solve for x
    x = 21,265,716,546.32/215,535.36
  6. Step 6: Final answer
    x = 98,664.63

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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.