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Finding the Fourth Proportional to 400,267.62, 600,401.37 and 189,790.74

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Solution

The fourth proportional to 400,267.62, 600,401.37 and 189,790.74 is: 284,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,267.62 : 600,401.37 = 189,790.74 : x
  2. Step 2: Convert to fraction form
    400,267.62/600,401.37 = 189,790.74/x
  3. Step 3: Cross multiply
    400,267.62x = 600,401.37 × 189,790.74
  4. Step 4: Simplify right side
    400,267.62x = 113,950,620,309.31
  5. Step 5: Solve for x
    x = 113,950,620,309.31/400,267.62
  6. Step 6: Final answer
    x = 284,686.08

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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.