Home / 336,988.05-505,480.63-137,263.89

Finding the Fourth Proportional to 336,988.05, 505,480.63 and 137,263.89

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Solution

The fourth proportional to 336,988.05, 505,480.63 and 137,263.89 is: 205,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,988.05 : 505,480.63 = 137,263.89 : x
  2. Step 2: Convert to fraction form
    336,988.05/505,480.63 = 137,263.89/x
  3. Step 3: Cross multiply
    336,988.05x = 505,480.63 × 137,263.89
  4. Step 4: Simplify right side
    336,988.05x = 69,384,234,722.89
  5. Step 5: Solve for x
    x = 69,384,234,722.89/336,988.05
  6. Step 6: Final answer
    x = 205,895.24

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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.