Home / 377,231.18-520,578.70-207,465.30

Finding the Fourth Proportional to 377,231.18, 520,578.70 and 207,465.30

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Solution

The fourth proportional to 377,231.18, 520,578.70 and 207,465.30 is: 286,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,231.18 : 520,578.70 = 207,465.30 : x
  2. Step 2: Convert to fraction form
    377,231.18/520,578.70 = 207,465.30/x
  3. Step 3: Cross multiply
    377,231.18x = 520,578.70 × 207,465.30
  4. Step 4: Simplify right side
    377,231.18x = 108,002,015,650.45
  5. Step 5: Solve for x
    x = 108,002,015,650.45/377,231.18
  6. Step 6: Final answer
    x = 286,301.94

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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.