Home / 336,864.55-505,355.20-137,293.51

Finding the Fourth Proportional to 336,864.55, 505,355.20 and 137,293.51

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Solution

The fourth proportional to 336,864.55, 505,355.20 and 137,293.51 is: 205,964.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,864.55 : 505,355.20 = 137,293.51 : x
  2. Step 2: Convert to fraction form
    336,864.55/505,355.20 = 137,293.51/x
  3. Step 3: Cross multiply
    336,864.55x = 505,355.20 × 137,293.51
  4. Step 4: Simplify right side
    336,864.55x = 69,381,989,204.75
  5. Step 5: Solve for x
    x = 69,381,989,204.75/336,864.55
  6. Step 6: Final answer
    x = 205,964.06

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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.