Home / 327,102.05-490,152.29-220,089.64

Finding the Fourth Proportional to 327,102.05, 490,152.29 and 220,089.64

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Solution

The fourth proportional to 327,102.05, 490,152.29 and 220,089.64 is: 329,797.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,102.05 : 490,152.29 = 220,089.64 : x
  2. Step 2: Convert to fraction form
    327,102.05/490,152.29 = 220,089.64/x
  3. Step 3: Cross multiply
    327,102.05x = 490,152.29 × 220,089.64
  4. Step 4: Simplify right side
    327,102.05x = 107,877,440,502.71
  5. Step 5: Solve for x
    x = 107,877,440,502.71/327,102.05
  6. Step 6: Final answer
    x = 329,797.50

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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.