Home / 421,096.24-581,109.42-230,106.16

Finding the Fourth Proportional to 421,096.24, 581,109.42 and 230,106.16

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Solution

The fourth proportional to 421,096.24, 581,109.42 and 230,106.16 is: 317,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,096.24 : 581,109.42 = 230,106.16 : x
  2. Step 2: Convert to fraction form
    421,096.24/581,109.42 = 230,106.16/x
  3. Step 3: Cross multiply
    421,096.24x = 581,109.42 × 230,106.16
  4. Step 4: Simplify right side
    421,096.24x = 133,716,857,176.03
  5. Step 5: Solve for x
    x = 133,716,857,176.03/421,096.24
  6. Step 6: Final answer
    x = 317,544.65

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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.