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Finding the Fourth Proportional to 300,210.30, 450,276.57 and 113,197.50

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Solution

The fourth proportional to 300,210.30, 450,276.57 and 113,197.50 is: 169,781.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,210.30 : 450,276.57 = 113,197.50 : x
  2. Step 2: Convert to fraction form
    300,210.30/450,276.57 = 113,197.50/x
  3. Step 3: Cross multiply
    300,210.30x = 450,276.57 × 113,197.50
  4. Step 4: Simplify right side
    300,210.30x = 50,970,182,032.58
  5. Step 5: Solve for x
    x = 50,970,182,032.58/300,210.30
  6. Step 6: Final answer
    x = 169,781.59

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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.