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Finding the Fourth Proportional to 377,073.66, 520,473.83 and 216,035.94

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Solution

The fourth proportional to 377,073.66, 520,473.83 and 216,035.94 is: 298,193.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,073.66 : 520,473.83 = 216,035.94 : x
  2. Step 2: Convert to fraction form
    377,073.66/520,473.83 = 216,035.94/x
  3. Step 3: Cross multiply
    377,073.66x = 520,473.83 × 216,035.94
  4. Step 4: Simplify right side
    377,073.66x = 112,441,053,109.45
  5. Step 5: Solve for x
    x = 112,441,053,109.45/377,073.66
  6. Step 6: Final answer
    x = 298,193.87

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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.