Home / 432,671.42-649,007.62-112,823

Finding the Fourth Proportional to 432,671.42, 649,007.62 and 112,823

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Solution

The fourth proportional to 432,671.42, 649,007.62 and 112,823 is: 169,234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,671.42 : 649,007.62 = 112,823 : x
  2. Step 2: Convert to fraction form
    432,671.42/649,007.62 = 112,823/x
  3. Step 3: Cross multiply
    432,671.42x = 649,007.62 × 112,823
  4. Step 4: Simplify right side
    432,671.42x = 73,222,986,711.26
  5. Step 5: Solve for x
    x = 73,222,986,711.26/432,671.42
  6. Step 6: Final answer
    x = 169,234.63

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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.