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Finding the Fourth Proportional to 300,360, 450,365.04 and 131,873.52

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Solution

The fourth proportional to 300,360, 450,365.04 and 131,873.52 is: 197,733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,360 : 450,365.04 = 131,873.52 : x
  2. Step 2: Convert to fraction form
    300,360/450,365.04 = 131,873.52/x
  3. Step 3: Cross multiply
    300,360x = 450,365.04 × 131,873.52
  4. Step 4: Simplify right side
    300,360x = 59,391,223,109.74
  5. Step 5: Solve for x
    x = 59,391,223,109.74/300,360
  6. Step 6: Final answer
    x = 197,733.46

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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.