Home / 336,865.55-505,356.70-137,294.51

Finding the Fourth Proportional to 336,865.55, 505,356.70 and 137,294.51

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Solution

The fourth proportional to 336,865.55, 505,356.70 and 137,294.51 is: 205,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,865.55 : 505,356.70 = 137,294.51 : x
  2. Step 2: Convert to fraction form
    336,865.55/505,356.70 = 137,294.51/x
  3. Step 3: Cross multiply
    336,865.55x = 505,356.70 × 137,294.51
  4. Step 4: Simplify right side
    336,865.55x = 69,382,700,501.72
  5. Step 5: Solve for x
    x = 69,382,700,501.72/336,865.55
  6. Step 6: Final answer
    x = 205,965.56

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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.