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Finding the Fourth Proportional to 376,879.13, 520,095.20 and 204,798.45

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Solution

The fourth proportional to 376,879.13, 520,095.20 and 204,798.45 is: 282,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,879.13 : 520,095.20 = 204,798.45 : x
  2. Step 2: Convert to fraction form
    376,879.13/520,095.20 = 204,798.45/x
  3. Step 3: Cross multiply
    376,879.13x = 520,095.20 × 204,798.45
  4. Step 4: Simplify right side
    376,879.13x = 106,514,690,812.44
  5. Step 5: Solve for x
    x = 106,514,690,812.44/376,879.13
  6. Step 6: Final answer
    x = 282,622.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.