Home / 336,888.72-505,331.46-137,161.76

Finding the Fourth Proportional to 336,888.72, 505,331.46 and 137,161.76

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Solution

The fourth proportional to 336,888.72, 505,331.46 and 137,161.76 is: 205,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,888.72 : 505,331.46 = 137,161.76 : x
  2. Step 2: Convert to fraction form
    336,888.72/505,331.46 = 137,161.76/x
  3. Step 3: Cross multiply
    336,888.72x = 505,331.46 × 137,161.76
  4. Step 4: Simplify right side
    336,888.72x = 69,312,149,910.31
  5. Step 5: Solve for x
    x = 69,312,149,910.31/336,888.72
  6. Step 6: Final answer
    x = 205,741.97

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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.