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Finding the Fourth Proportional to 538,314.10, 807,406.35 and 222,738.10

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Solution

The fourth proportional to 538,314.10, 807,406.35 and 222,738.10 is: 334,080.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,314.10 : 807,406.35 = 222,738.10 : x
  2. Step 2: Convert to fraction form
    538,314.10/807,406.35 = 222,738.10/x
  3. Step 3: Cross multiply
    538,314.10x = 807,406.35 × 222,738.10
  4. Step 4: Simplify right side
    538,314.10x = 179,840,156,326.94
  5. Step 5: Solve for x
    x = 179,840,156,326.94/538,314.10
  6. Step 6: Final answer
    x = 334,080.34

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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.