Home / 756,221.49-1,133,938.58-223,670.66

Finding the Fourth Proportional to 756,221.49, 1,133,938.58 and 223,670.66

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Solution

The fourth proportional to 756,221.49, 1,133,938.58 and 223,670.66 is: 335,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,221.49 : 1,133,938.58 = 223,670.66 : x
  2. Step 2: Convert to fraction form
    756,221.49/1,133,938.58 = 223,670.66/x
  3. Step 3: Cross multiply
    756,221.49x = 1,133,938.58 × 223,670.66
  4. Step 4: Simplify right side
    756,221.49x = 253,628,783,800.02
  5. Step 5: Solve for x
    x = 253,628,783,800.02/756,221.49
  6. Step 6: Final answer
    x = 335,389.55

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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.