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Finding the Fourth Proportional to 301,162.98, 451,579.53 and 138,880.92

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Solution

The fourth proportional to 301,162.98, 451,579.53 and 138,880.92 is: 208,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,162.98 : 451,579.53 = 138,880.92 : x
  2. Step 2: Convert to fraction form
    301,162.98/451,579.53 = 138,880.92/x
  3. Step 3: Cross multiply
    301,162.98x = 451,579.53 × 138,880.92
  4. Step 4: Simplify right side
    301,162.98x = 62,715,780,579.57
  5. Step 5: Solve for x
    x = 62,715,780,579.57/301,162.98
  6. Step 6: Final answer
    x = 208,245.32

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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.