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Finding the Fourth Proportional to 300,603.31, 450,926.84 and 100,922.01

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Solution

The fourth proportional to 300,603.31, 450,926.84 and 100,922.01 is: 151,390.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,603.31 : 450,926.84 = 100,922.01 : x
  2. Step 2: Convert to fraction form
    300,603.31/450,926.84 = 100,922.01/x
  3. Step 3: Cross multiply
    300,603.31x = 450,926.84 × 100,922.01
  4. Step 4: Simplify right side
    300,603.31x = 45,508,443,055.75
  5. Step 5: Solve for x
    x = 45,508,443,055.75/300,603.31
  6. Step 6: Final answer
    x = 151,390.36

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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.