Home / 329,421.05-494,318.34-151,928.09

Finding the Fourth Proportional to 329,421.05, 494,318.34 and 151,928.09

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Solution

The fourth proportional to 329,421.05, 494,318.34 and 151,928.09 is: 227,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,421.05 : 494,318.34 = 151,928.09 : x
  2. Step 2: Convert to fraction form
    329,421.05/494,318.34 = 151,928.09/x
  3. Step 3: Cross multiply
    329,421.05x = 494,318.34 × 151,928.09
  4. Step 4: Simplify right side
    329,421.05x = 75,100,838,776.58
  5. Step 5: Solve for x
    x = 75,100,838,776.58/329,421.05
  6. Step 6: Final answer
    x = 227,978.27

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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.