Home / 377,288.45-520,475.12-224,218.29

Finding the Fourth Proportional to 377,288.45, 520,475.12 and 224,218.29

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Solution

The fourth proportional to 377,288.45, 520,475.12 and 224,218.29 is: 309,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,288.45 : 520,475.12 = 224,218.29 : x
  2. Step 2: Convert to fraction form
    377,288.45/520,475.12 = 224,218.29/x
  3. Step 3: Cross multiply
    377,288.45x = 520,475.12 × 224,218.29
  4. Step 4: Simplify right side
    377,288.45x = 116,700,043,065.45
  5. Step 5: Solve for x
    x = 116,700,043,065.45/377,288.45
  6. Step 6: Final answer
    x = 309,312.53

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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.