Home / 336,865.05-505,355.95-137,294.01

Finding the Fourth Proportional to 336,865.05, 505,355.95 and 137,294.01

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Solution

The fourth proportional to 336,865.05, 505,355.95 and 137,294.01 is: 205,964.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,865.05 : 505,355.95 = 137,294.01 : x
  2. Step 2: Convert to fraction form
    336,865.05/505,355.95 = 137,294.01/x
  3. Step 3: Cross multiply
    336,865.05x = 505,355.95 × 137,294.01
  4. Step 4: Simplify right side
    336,865.05x = 69,382,344,852.86
  5. Step 5: Solve for x
    x = 69,382,344,852.86/336,865.05
  6. Step 6: Final answer
    x = 205,964.81

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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.