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Finding the Fourth Proportional to 300,275.47, 450,537.58 and 131,708.80

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Solution

The fourth proportional to 300,275.47, 450,537.58 and 131,708.80 is: 197,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,275.47 : 450,537.58 = 131,708.80 : x
  2. Step 2: Convert to fraction form
    300,275.47/450,537.58 = 131,708.80/x
  3. Step 3: Cross multiply
    300,275.47x = 450,537.58 × 131,708.80
  4. Step 4: Simplify right side
    300,275.47x = 59,339,764,744.51
  5. Step 5: Solve for x
    x = 59,339,764,744.51/300,275.47
  6. Step 6: Final answer
    x = 197,617.76

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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.