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Finding the Fourth Proportional to 300,133.60, 450,200.40 and 188,159.20

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Solution

The fourth proportional to 300,133.60, 450,200.40 and 188,159.20 is: 282,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,133.60 : 450,200.40 = 188,159.20 : x
  2. Step 2: Convert to fraction form
    300,133.60/450,200.40 = 188,159.20/x
  3. Step 3: Cross multiply
    300,133.60x = 450,200.40 × 188,159.20
  4. Step 4: Simplify right side
    300,133.60x = 84,709,347,103.68
  5. Step 5: Solve for x
    x = 84,709,347,103.68/300,133.60
  6. Step 6: Final answer
    x = 282,238.80

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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.