Home / 300,827.03-451,142.12-140,853.45

Finding the Fourth Proportional to 300,827.03, 451,142.12 and 140,853.45

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Solution

The fourth proportional to 300,827.03, 451,142.12 and 140,853.45 is: 211,234.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,827.03 : 451,142.12 = 140,853.45 : x
  2. Step 2: Convert to fraction form
    300,827.03/451,142.12 = 140,853.45/x
  3. Step 3: Cross multiply
    300,827.03x = 451,142.12 × 140,853.45
  4. Step 4: Simplify right side
    300,827.03x = 63,544,924,394.45
  5. Step 5: Solve for x
    x = 63,544,924,394.45/300,827.03
  6. Step 6: Final answer
    x = 211,234.09

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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.