Home / 330,971.56-456,742.74-180,069.64

Finding the Fourth Proportional to 330,971.56, 456,742.74 and 180,069.64

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Solution

The fourth proportional to 330,971.56, 456,742.74 and 180,069.64 is: 248,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,971.56 : 456,742.74 = 180,069.64 : x
  2. Step 2: Convert to fraction form
    330,971.56/456,742.74 = 180,069.64/x
  3. Step 3: Cross multiply
    330,971.56x = 456,742.74 × 180,069.64
  4. Step 4: Simplify right side
    330,971.56x = 82,245,500,764.41
  5. Step 5: Solve for x
    x = 82,245,500,764.41/330,971.56
  6. Step 6: Final answer
    x = 248,497.18

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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.