Home / 231,329.34-346,996.48-81,541.72

Finding the Fourth Proportional to 231,329.34, 346,996.48 and 81,541.72

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Solution

The fourth proportional to 231,329.34, 346,996.48 and 81,541.72 is: 122,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,329.34 : 346,996.48 = 81,541.72 : x
  2. Step 2: Convert to fraction form
    231,329.34/346,996.48 = 81,541.72/x
  3. Step 3: Cross multiply
    231,329.34x = 346,996.48 × 81,541.72
  4. Step 4: Simplify right side
    231,329.34x = 28,294,689,813.15
  5. Step 5: Solve for x
    x = 28,294,689,813.15/231,329.34
  6. Step 6: Final answer
    x = 122,313.45

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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.