Home / 330,766.40-456,714.74-254,164.75

Finding the Fourth Proportional to 330,766.40, 456,714.74 and 254,164.75

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Solution

The fourth proportional to 330,766.40, 456,714.74 and 254,164.75 is: 350,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,766.40 : 456,714.74 = 254,164.75 : x
  2. Step 2: Convert to fraction form
    330,766.40/456,714.74 = 254,164.75/x
  3. Step 3: Cross multiply
    330,766.40x = 456,714.74 × 254,164.75
  4. Step 4: Simplify right side
    330,766.40x = 116,080,785,429.84
  5. Step 5: Solve for x
    x = 116,080,785,429.84/330,766.40
  6. Step 6: Final answer
    x = 350,944.92

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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.