Home / 638,131.86-957,569.88-239,052.96

Finding the Fourth Proportional to 638,131.86, 957,569.88 and 239,052.96

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Solution

The fourth proportional to 638,131.86, 957,569.88 and 239,052.96 is: 358,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,131.86 : 957,569.88 = 239,052.96 : x
  2. Step 2: Convert to fraction form
    638,131.86/957,569.88 = 239,052.96/x
  3. Step 3: Cross multiply
    638,131.86x = 957,569.88 × 239,052.96
  4. Step 4: Simplify right side
    638,131.86x = 228,909,914,220.85
  5. Step 5: Solve for x
    x = 228,909,914,220.85/638,131.86
  6. Step 6: Final answer
    x = 358,718.83

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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.