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Finding the Fourth Proportional to 300,165.90, 450,103.05 and 166,904.70

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Solution

The fourth proportional to 300,165.90, 450,103.05 and 166,904.70 is: 250,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,165.90 : 450,103.05 = 166,904.70 : x
  2. Step 2: Convert to fraction form
    300,165.90/450,103.05 = 166,904.70/x
  3. Step 3: Cross multiply
    300,165.90x = 450,103.05 × 166,904.70
  4. Step 4: Simplify right side
    300,165.90x = 75,124,314,529.34
  5. Step 5: Solve for x
    x = 75,124,314,529.34/300,165.90
  6. Step 6: Final answer
    x = 250,275.98

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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.