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Finding the Fourth Proportional to 223,810.20, 335,715.30 and 221,477.40

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Solution

The fourth proportional to 223,810.20, 335,715.30 and 221,477.40 is: 332,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,810.20 : 335,715.30 = 221,477.40 : x
  2. Step 2: Convert to fraction form
    223,810.20/335,715.30 = 221,477.40/x
  3. Step 3: Cross multiply
    223,810.20x = 335,715.30 × 221,477.40
  4. Step 4: Simplify right side
    223,810.20x = 74,353,351,784.22
  5. Step 5: Solve for x
    x = 74,353,351,784.22/223,810.20
  6. Step 6: Final answer
    x = 332,216.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.