Home / 238,232.42-357,392.48-78,317.38

Finding the Fourth Proportional to 238,232.42, 357,392.48 and 78,317.38

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Solution

The fourth proportional to 238,232.42, 357,392.48 and 78,317.38 is: 117,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,232.42 : 357,392.48 = 78,317.38 : x
  2. Step 2: Convert to fraction form
    238,232.42/357,392.48 = 78,317.38/x
  3. Step 3: Cross multiply
    238,232.42x = 357,392.48 × 78,317.38
  4. Step 4: Simplify right side
    238,232.42x = 27,990,042,940.72
  5. Step 5: Solve for x
    x = 27,990,042,940.72/238,232.42
  6. Step 6: Final answer
    x = 117,490.49

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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.