Home / 223,060.58-306,116.13-221,485.94

Finding the Fourth Proportional to 223,060.58, 306,116.13 and 221,485.94

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Solution

The fourth proportional to 223,060.58, 306,116.13 and 221,485.94 is: 303,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,060.58 : 306,116.13 = 221,485.94 : x
  2. Step 2: Convert to fraction form
    223,060.58/306,116.13 = 221,485.94/x
  3. Step 3: Cross multiply
    223,060.58x = 306,116.13 × 221,485.94
  4. Step 4: Simplify right side
    223,060.58x = 67,800,417,694.78
  5. Step 5: Solve for x
    x = 67,800,417,694.78/223,060.58
  6. Step 6: Final answer
    x = 303,955.18

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.