Home / 226,583.49-312,700.50-149,970.61

Finding the Fourth Proportional to 226,583.49, 312,700.50 and 149,970.61

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Solution

The fourth proportional to 226,583.49, 312,700.50 and 149,970.61 is: 206,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,583.49 : 312,700.50 = 149,970.61 : x
  2. Step 2: Convert to fraction form
    226,583.49/312,700.50 = 149,970.61/x
  3. Step 3: Cross multiply
    226,583.49x = 312,700.50 × 149,970.61
  4. Step 4: Simplify right side
    226,583.49x = 46,895,883,950.55
  5. Step 5: Solve for x
    x = 46,895,883,950.55/226,583.49
  6. Step 6: Final answer
    x = 206,969.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.