Home / 336,789.89-504,747.42-136,877.63

Finding the Fourth Proportional to 336,789.89, 504,747.42 and 136,877.63

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Solution

The fourth proportional to 336,789.89, 504,747.42 and 136,877.63 is: 205,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,789.89 : 504,747.42 = 136,877.63 : x
  2. Step 2: Convert to fraction form
    336,789.89/504,747.42 = 136,877.63/x
  3. Step 3: Cross multiply
    336,789.89x = 504,747.42 × 136,877.63
  4. Step 4: Simplify right side
    336,789.89x = 69,088,630,598.21
  5. Step 5: Solve for x
    x = 69,088,630,598.21/336,789.89
  6. Step 6: Final answer
    x = 205,138.67

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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.