Home / 276,457.22-381,162.21-180,812.42

Finding the Fourth Proportional to 276,457.22, 381,162.21 and 180,812.42

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Solution

The fourth proportional to 276,457.22, 381,162.21 and 180,812.42 is: 249,293.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,457.22 : 381,162.21 = 180,812.42 : x
  2. Step 2: Convert to fraction form
    276,457.22/381,162.21 = 180,812.42/x
  3. Step 3: Cross multiply
    276,457.22x = 381,162.21 × 180,812.42
  4. Step 4: Simplify right side
    276,457.22x = 68,918,861,602.65
  5. Step 5: Solve for x
    x = 68,918,861,602.65/276,457.22
  6. Step 6: Final answer
    x = 249,293.04

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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.