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Finding the Fourth Proportional to 301,235.66, 451,538.21 and 101,487.03

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Solution

The fourth proportional to 301,235.66, 451,538.21 and 101,487.03 is: 152,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,235.66 : 451,538.21 = 101,487.03 : x
  2. Step 2: Convert to fraction form
    301,235.66/451,538.21 = 101,487.03/x
  3. Step 3: Cross multiply
    301,235.66x = 451,538.21 × 101,487.03
  4. Step 4: Simplify right side
    301,235.66x = 45,825,270,424.87
  5. Step 5: Solve for x
    x = 45,825,270,424.87/301,235.66
  6. Step 6: Final answer
    x = 152,124.32

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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.