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Finding the Fourth Proportional to 400,151.30, 599,560.47 and 281,573.51

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Solution

The fourth proportional to 400,151.30, 599,560.47 and 281,573.51 is: 421,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,151.30 : 599,560.47 = 281,573.51 : x
  2. Step 2: Convert to fraction form
    400,151.30/599,560.47 = 281,573.51/x
  3. Step 3: Cross multiply
    400,151.30x = 599,560.47 × 281,573.51
  4. Step 4: Simplify right side
    400,151.30x = 168,820,342,997.35
  5. Step 5: Solve for x
    x = 168,820,342,997.35/400,151.30
  6. Step 6: Final answer
    x = 421,891.28

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1.5x scale

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.