Home / 330,927.12-457,144.56-295,105.68

Finding the Fourth Proportional to 330,927.12, 457,144.56 and 295,105.68

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Solution

The fourth proportional to 330,927.12, 457,144.56 and 295,105.68 is: 407,660.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,927.12 : 457,144.56 = 295,105.68 : x
  2. Step 2: Convert to fraction form
    330,927.12/457,144.56 = 295,105.68/x
  3. Step 3: Cross multiply
    330,927.12x = 457,144.56 × 295,105.68
  4. Step 4: Simplify right side
    330,927.12x = 134,905,956,237.10
  5. Step 5: Solve for x
    x = 134,905,956,237.10/330,927.12
  6. Step 6: Final answer
    x = 407,660.62

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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.