Home / 274,145.21-411,228.58-84,588.69

Finding the Fourth Proportional to 274,145.21, 411,228.58 and 84,588.69

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Solution

The fourth proportional to 274,145.21, 411,228.58 and 84,588.69 is: 126,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,145.21 : 411,228.58 = 84,588.69 : x
  2. Step 2: Convert to fraction form
    274,145.21/411,228.58 = 84,588.69/x
  3. Step 3: Cross multiply
    274,145.21x = 411,228.58 × 84,588.69
  4. Step 4: Simplify right side
    274,145.21x = 34,785,286,872.76
  5. Step 5: Solve for x
    x = 34,785,286,872.76/274,145.21
  6. Step 6: Final answer
    x = 126,886.36

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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.