Home / 421,124.07-581,151.46-230,137.46

Finding the Fourth Proportional to 421,124.07, 581,151.46 and 230,137.46

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Solution

The fourth proportional to 421,124.07, 581,151.46 and 230,137.46 is: 317,589.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,124.07 : 581,151.46 = 230,137.46 : x
  2. Step 2: Convert to fraction form
    421,124.07/581,151.46 = 230,137.46/x
  3. Step 3: Cross multiply
    421,124.07x = 581,151.46 × 230,137.46
  4. Step 4: Simplify right side
    421,124.07x = 133,744,720,879.69
  5. Step 5: Solve for x
    x = 133,744,720,879.69/421,124.07
  6. Step 6: Final answer
    x = 317,589.83

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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.