Home / 330,831.72-456,548.94-179,928.72

Finding the Fourth Proportional to 330,831.72, 456,548.94 and 179,928.72

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Solution

The fourth proportional to 330,831.72, 456,548.94 and 179,928.72 is: 248,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,831.72 : 456,548.94 = 179,928.72 : x
  2. Step 2: Convert to fraction form
    330,831.72/456,548.94 = 179,928.72/x
  3. Step 3: Cross multiply
    330,831.72x = 456,548.94 × 179,928.72
  4. Step 4: Simplify right side
    330,831.72x = 82,146,266,391.56
  5. Step 5: Solve for x
    x = 82,146,266,391.56/330,831.72
  6. Step 6: Final answer
    x = 248,302.27

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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.