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Finding the Fourth Proportional to 301,073.19, 451,609.80 and 101,376.87

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Solution

The fourth proportional to 301,073.19, 451,609.80 and 101,376.87 is: 152,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,073.19 : 451,609.80 = 101,376.87 : x
  2. Step 2: Convert to fraction form
    301,073.19/451,609.80 = 101,376.87/x
  3. Step 3: Cross multiply
    301,073.19x = 451,609.80 × 101,376.87
  4. Step 4: Simplify right side
    301,073.19x = 45,782,787,985.33
  5. Step 5: Solve for x
    x = 45,782,787,985.33/301,073.19
  6. Step 6: Final answer
    x = 152,065.31

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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.