Home / 421,141.17-581,214.89-230,183.27

Finding the Fourth Proportional to 421,141.17, 581,214.89 and 230,183.27

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Solution

The fourth proportional to 421,141.17, 581,214.89 and 230,183.27 is: 317,674.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,141.17 : 581,214.89 = 230,183.27 : x
  2. Step 2: Convert to fraction form
    421,141.17/581,214.89 = 230,183.27/x
  3. Step 3: Cross multiply
    421,141.17x = 581,214.89 × 230,183.27
  4. Step 4: Simplify right side
    421,141.17x = 133,785,943,801.83
  5. Step 5: Solve for x
    x = 133,785,943,801.83/421,141.17
  6. Step 6: Final answer
    x = 317,674.81

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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.