Home / 274,133.43-378,286.61-153,284.67

Finding the Fourth Proportional to 274,133.43, 378,286.61 and 153,284.67

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Solution

The fourth proportional to 274,133.43, 378,286.61 and 153,284.67 is: 211,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,133.43 : 378,286.61 = 153,284.67 : x
  2. Step 2: Convert to fraction form
    274,133.43/378,286.61 = 153,284.67/x
  3. Step 3: Cross multiply
    274,133.43x = 378,286.61 × 153,284.67
  4. Step 4: Simplify right side
    274,133.43x = 57,985,537,412.85
  5. Step 5: Solve for x
    x = 57,985,537,412.85/274,133.43
  6. Step 6: Final answer
    x = 211,523.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.