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Finding the Fourth Proportional to 377,217.57, 520,566.56 and 216,086.67

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Solution

The fourth proportional to 377,217.57, 520,566.56 and 216,086.67 is: 298,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,217.57 : 520,566.56 = 216,086.67 : x
  2. Step 2: Convert to fraction form
    377,217.57/520,566.56 = 216,086.67/x
  3. Step 3: Cross multiply
    377,217.57x = 520,566.56 × 216,086.67
  4. Step 4: Simplify right side
    377,217.57x = 112,487,493,383.32
  5. Step 5: Solve for x
    x = 112,487,493,383.32/377,217.57
  6. Step 6: Final answer
    x = 298,203.22

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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.