Home / 284,933.16-427,274.88-135,216

Finding the Fourth Proportional to 284,933.16, 427,274.88 and 135,216

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Solution

The fourth proportional to 284,933.16, 427,274.88 and 135,216 is: 202,764.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,933.16 : 427,274.88 = 135,216 : x
  2. Step 2: Convert to fraction form
    284,933.16/427,274.88 = 135,216/x
  3. Step 3: Cross multiply
    284,933.16x = 427,274.88 × 135,216
  4. Step 4: Simplify right side
    284,933.16x = 57,774,400,174.08
  5. Step 5: Solve for x
    x = 57,774,400,174.08/284,933.16
  6. Step 6: Final answer
    x = 202,764.75

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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.