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Finding the Fourth Proportional to 181,678.29, 274,223.90 and 181,678.29

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Solution

The fourth proportional to 181,678.29, 274,223.90 and 181,678.29 is: 274,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,678.29 : 274,223.90 = 181,678.29 : x
  2. Step 2: Convert to fraction form
    181,678.29/274,223.90 = 181,678.29/x
  3. Step 3: Cross multiply
    181,678.29x = 274,223.90 × 181,678.29
  4. Step 4: Simplify right side
    181,678.29x = 49,820,529,229.13
  5. Step 5: Solve for x
    x = 49,820,529,229.13/181,678.29
  6. Step 6: Final answer
    x = 274,223.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.