Home / 377,139.05-565,086.43-217,349.20

Finding the Fourth Proportional to 377,139.05, 565,086.43 and 217,349.20

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Solution

The fourth proportional to 377,139.05, 565,086.43 and 217,349.20 is: 325,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,139.05 : 565,086.43 = 217,349.20 : x
  2. Step 2: Convert to fraction form
    377,139.05/565,086.43 = 217,349.20/x
  3. Step 3: Cross multiply
    377,139.05x = 565,086.43 × 217,349.20
  4. Step 4: Simplify right side
    377,139.05x = 122,821,081,535.27
  5. Step 5: Solve for x
    x = 122,821,081,535.27/377,139.05
  6. Step 6: Final answer
    x = 325,665.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.