Home / 330,724.32-456,398.96-179,820.96

Finding the Fourth Proportional to 330,724.32, 456,398.96 and 179,820.96

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Solution

The fourth proportional to 330,724.32, 456,398.96 and 179,820.96 is: 248,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,724.32 : 456,398.96 = 179,820.96 : x
  2. Step 2: Convert to fraction form
    330,724.32/456,398.96 = 179,820.96/x
  3. Step 3: Cross multiply
    330,724.32x = 456,398.96 × 179,820.96
  4. Step 4: Simplify right side
    330,724.32x = 82,070,099,130.20
  5. Step 5: Solve for x
    x = 82,070,099,130.20/330,724.32
  6. Step 6: Final answer
    x = 248,152.60

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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.