Home / 338,999.03-508,442.93-125,716.86

Finding the Fourth Proportional to 338,999.03, 508,442.93 and 125,716.86

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Solution

The fourth proportional to 338,999.03, 508,442.93 and 125,716.86 is: 188,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,999.03 : 508,442.93 = 125,716.86 : x
  2. Step 2: Convert to fraction form
    338,999.03/508,442.93 = 125,716.86/x
  3. Step 3: Cross multiply
    338,999.03x = 508,442.93 × 125,716.86
  4. Step 4: Simplify right side
    338,999.03x = 63,919,848,020.22
  5. Step 5: Solve for x
    x = 63,919,848,020.22/338,999.03
  6. Step 6: Final answer
    x = 188,554.67

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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.