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Finding the Fourth Proportional to 300,690.46, 451,087.80 and 101,030.32

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Solution

The fourth proportional to 300,690.46, 451,087.80 and 101,030.32 is: 151,562.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,690.46 : 451,087.80 = 101,030.32 : x
  2. Step 2: Convert to fraction form
    300,690.46/451,087.80 = 101,030.32/x
  3. Step 3: Cross multiply
    300,690.46x = 451,087.80 × 101,030.32
  4. Step 4: Simplify right side
    300,690.46x = 45,573,544,782.10
  5. Step 5: Solve for x
    x = 45,573,544,782.10/300,690.46
  6. Step 6: Final answer
    x = 151,562.99

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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.