Home / 215,406.12-323,113.50-57,634.32

Finding the Fourth Proportional to 215,406.12, 323,113.50 and 57,634.32

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Solution

The fourth proportional to 215,406.12, 323,113.50 and 57,634.32 is: 86,452.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,406.12 : 323,113.50 = 57,634.32 : x
  2. Step 2: Convert to fraction form
    215,406.12/323,113.50 = 57,634.32/x
  3. Step 3: Cross multiply
    215,406.12x = 323,113.50 × 57,634.32
  4. Step 4: Simplify right side
    215,406.12x = 18,622,426,855.32
  5. Step 5: Solve for x
    x = 18,622,426,855.32/215,406.12
  6. Step 6: Final answer
    x = 86,452.64

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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.