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Finding the Fourth Proportional to 377,000.20, 565,500.30 and 335,665.90

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Solution

The fourth proportional to 377,000.20, 565,500.30 and 335,665.90 is: 503,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,000.20 : 565,500.30 = 335,665.90 : x
  2. Step 2: Convert to fraction form
    377,000.20/565,500.30 = 335,665.90/x
  3. Step 3: Cross multiply
    377,000.20x = 565,500.30 × 335,665.90
  4. Step 4: Simplify right side
    377,000.20x = 189,819,167,149.77
  5. Step 5: Solve for x
    x = 189,819,167,149.77/377,000.20
  6. Step 6: Final answer
    x = 503,498.85

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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.