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Finding the Fourth Proportional to 377,249.13, 520,560.14 and 216,094.57

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Solution

The fourth proportional to 377,249.13, 520,560.14 and 216,094.57 is: 298,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,249.13 : 520,560.14 = 216,094.57 : x
  2. Step 2: Convert to fraction form
    377,249.13/520,560.14 = 216,094.57/x
  3. Step 3: Cross multiply
    377,249.13x = 520,560.14 × 216,094.57
  4. Step 4: Simplify right side
    377,249.13x = 112,490,217,230.57
  5. Step 5: Solve for x
    x = 112,490,217,230.57/377,249.13
  6. Step 6: Final answer
    x = 298,185.49

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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.