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Finding the Fourth Proportional to 300,730.66, 450,954.72 and 174,406.80

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Solution

The fourth proportional to 300,730.66, 450,954.72 and 174,406.80 is: 261,528.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,730.66 : 450,954.72 = 174,406.80 : x
  2. Step 2: Convert to fraction form
    300,730.66/450,954.72 = 174,406.80/x
  3. Step 3: Cross multiply
    300,730.66x = 450,954.72 × 174,406.80
  4. Step 4: Simplify right side
    300,730.66x = 78,649,569,660.10
  5. Step 5: Solve for x
    x = 78,649,569,660.10/300,730.66
  6. Step 6: Final answer
    x = 261,528.27

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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.