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Finding the Fourth Proportional to 300,625.32, 450,979.51 and 101,002.80

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Solution

The fourth proportional to 300,625.32, 450,979.51 and 101,002.80 is: 151,518.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,625.32 : 450,979.51 = 101,002.80 : x
  2. Step 2: Convert to fraction form
    300,625.32/450,979.51 = 101,002.80/x
  3. Step 3: Cross multiply
    300,625.32x = 450,979.51 × 101,002.80
  4. Step 4: Simplify right side
    300,625.32x = 45,550,193,252.63
  5. Step 5: Solve for x
    x = 45,550,193,252.63/300,625.32
  6. Step 6: Final answer
    x = 151,518.15

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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.