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Finding the Fourth Proportional to 440,165.57, 660,000.50 and 140,575.73

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Solution

The fourth proportional to 440,165.57, 660,000.50 and 140,575.73 is: 210,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,165.57 : 660,000.50 = 140,575.73 : x
  2. Step 2: Convert to fraction form
    440,165.57/660,000.50 = 140,575.73/x
  3. Step 3: Cross multiply
    440,165.57x = 660,000.50 × 140,575.73
  4. Step 4: Simplify right side
    440,165.57x = 92,780,051,384.99
  5. Step 5: Solve for x
    x = 92,780,051,384.99/440,165.57
  6. Step 6: Final answer
    x = 210,784.44

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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.