Home / 329,935.08-494,803.90-172,077.40

Finding the Fourth Proportional to 329,935.08, 494,803.90 and 172,077.40

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Solution

The fourth proportional to 329,935.08, 494,803.90 and 172,077.40 is: 258,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,935.08 : 494,803.90 = 172,077.40 : x
  2. Step 2: Convert to fraction form
    329,935.08/494,803.90 = 172,077.40/x
  3. Step 3: Cross multiply
    329,935.08x = 494,803.90 × 172,077.40
  4. Step 4: Simplify right side
    329,935.08x = 85,144,568,621.86
  5. Step 5: Solve for x
    x = 85,144,568,621.86/329,935.08
  6. Step 6: Final answer
    x = 258,064.61

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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.