Home / 330,682.40-456,321.28-185,480.20

Finding the Fourth Proportional to 330,682.40, 456,321.28 and 185,480.20

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Solution

The fourth proportional to 330,682.40, 456,321.28 and 185,480.20 is: 255,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,682.40 : 456,321.28 = 185,480.20 : x
  2. Step 2: Convert to fraction form
    330,682.40/456,321.28 = 185,480.20/x
  3. Step 3: Cross multiply
    330,682.40x = 456,321.28 × 185,480.20
  4. Step 4: Simplify right side
    330,682.40x = 84,638,562,278.66
  5. Step 5: Solve for x
    x = 84,638,562,278.66/330,682.40
  6. Step 6: Final answer
    x = 255,951.22

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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.