Home / 234,040.98-322,985.71-137,231.38

Finding the Fourth Proportional to 234,040.98, 322,985.71 and 137,231.38

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Solution

The fourth proportional to 234,040.98, 322,985.71 and 137,231.38 is: 189,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,040.98 : 322,985.71 = 137,231.38 : x
  2. Step 2: Convert to fraction form
    234,040.98/322,985.71 = 137,231.38/x
  3. Step 3: Cross multiply
    234,040.98x = 322,985.71 × 137,231.38
  4. Step 4: Simplify right side
    234,040.98x = 44,323,773,204.75
  5. Step 5: Solve for x
    x = 44,323,773,204.75/234,040.98
  6. Step 6: Final answer
    x = 189,384.67

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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.