Home / 336,864.05-505,354.45-137,293.01

Finding the Fourth Proportional to 336,864.05, 505,354.45 and 137,293.01

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Solution

The fourth proportional to 336,864.05, 505,354.45 and 137,293.01 is: 205,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,864.05 : 505,354.45 = 137,293.01 : x
  2. Step 2: Convert to fraction form
    336,864.05/505,354.45 = 137,293.01/x
  3. Step 3: Cross multiply
    336,864.05x = 505,354.45 × 137,293.01
  4. Step 4: Simplify right side
    336,864.05x = 69,381,633,557.39
  5. Step 5: Solve for x
    x = 69,381,633,557.39/336,864.05
  6. Step 6: Final answer
    x = 205,963.31

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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.