Home / 218,612.02-327,964.11-70,856.50

Finding the Fourth Proportional to 218,612.02, 327,964.11 and 70,856.50

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Solution

The fourth proportional to 218,612.02, 327,964.11 and 70,856.50 is: 106,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,612.02 : 327,964.11 = 70,856.50 : x
  2. Step 2: Convert to fraction form
    218,612.02/327,964.11 = 70,856.50/x
  3. Step 3: Cross multiply
    218,612.02x = 327,964.11 × 70,856.50
  4. Step 4: Simplify right side
    218,612.02x = 23,238,388,960.22
  5. Step 5: Solve for x
    x = 23,238,388,960.22/218,612.02
  6. Step 6: Final answer
    x = 106,299.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.