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Finding the Fourth Proportional to 173,220.64, 258,229.78 and 170,490.78

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Solution

The fourth proportional to 173,220.64, 258,229.78 and 170,490.78 is: 254,160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,220.64 : 258,229.78 = 170,490.78 : x
  2. Step 2: Convert to fraction form
    173,220.64/258,229.78 = 170,490.78/x
  3. Step 3: Cross multiply
    173,220.64x = 258,229.78 × 170,490.78
  4. Step 4: Simplify right side
    173,220.64x = 44,025,796,611.43
  5. Step 5: Solve for x
    x = 44,025,796,611.43/173,220.64
  6. Step 6: Final answer
    x = 254,160.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.