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Finding the Fourth Proportional to 244,463.32, 336,728.34 and 172,718.80

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Solution

The fourth proportional to 244,463.32, 336,728.34 and 172,718.80 is: 237,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,463.32 : 336,728.34 = 172,718.80 : x
  2. Step 2: Convert to fraction form
    244,463.32/336,728.34 = 172,718.80/x
  3. Step 3: Cross multiply
    244,463.32x = 336,728.34 × 172,718.80
  4. Step 4: Simplify right side
    244,463.32x = 58,159,314,810.79
  5. Step 5: Solve for x
    x = 58,159,314,810.79/244,463.32
  6. Step 6: Final answer
    x = 237,906.10

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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.