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Finding the Fourth Proportional to 221,495.04, 305,657.28 and 203,662.08

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Solution

The fourth proportional to 221,495.04, 305,657.28 and 203,662.08 is: 281,048.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,495.04 : 305,657.28 = 203,662.08 : x
  2. Step 2: Convert to fraction form
    221,495.04/305,657.28 = 203,662.08/x
  3. Step 3: Cross multiply
    221,495.04x = 305,657.28 × 203,662.08
  4. Step 4: Simplify right side
    221,495.04x = 62,250,797,411.94
  5. Step 5: Solve for x
    x = 62,250,797,411.94/221,495.04
  6. Step 6: Final answer
    x = 281,048.27

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1.5x scale

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.