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Finding the Fourth Proportional to 223,680.84, 308,579.24 and 151,060.14

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Solution

The fourth proportional to 223,680.84, 308,579.24 and 151,060.14 is: 208,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,680.84 : 308,579.24 = 151,060.14 : x
  2. Step 2: Convert to fraction form
    223,680.84/308,579.24 = 151,060.14/x
  3. Step 3: Cross multiply
    223,680.84x = 308,579.24 × 151,060.14
  4. Step 4: Simplify right side
    223,680.84x = 46,614,022,440.19
  5. Step 5: Solve for x
    x = 46,614,022,440.19/223,680.84
  6. Step 6: Final answer
    x = 208,395.24

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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.