Home / 330,141.17-494,768.28-180,156.71

Finding the Fourth Proportional to 330,141.17, 494,768.28 and 180,156.71

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Solution

The fourth proportional to 330,141.17, 494,768.28 and 180,156.71 is: 269,993.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,141.17 : 494,768.28 = 180,156.71 : x
  2. Step 2: Convert to fraction form
    330,141.17/494,768.28 = 180,156.71/x
  3. Step 3: Cross multiply
    330,141.17x = 494,768.28 × 180,156.71
  4. Step 4: Simplify right side
    330,141.17x = 89,135,827,449.67
  5. Step 5: Solve for x
    x = 89,135,827,449.67/330,141.17
  6. Step 6: Final answer
    x = 269,993.07

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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.