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Finding the Fourth Proportional to 279,775.44, 419,666.08 and 223,970.32

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Solution

The fourth proportional to 279,775.44, 419,666.08 and 223,970.32 is: 335,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,775.44 : 419,666.08 = 223,970.32 : x
  2. Step 2: Convert to fraction form
    279,775.44/419,666.08 = 223,970.32/x
  3. Step 3: Cross multiply
    279,775.44x = 419,666.08 × 223,970.32
  4. Step 4: Simplify right side
    279,775.44x = 93,992,746,230.75
  5. Step 5: Solve for x
    x = 93,992,746,230.75/279,775.44
  6. Step 6: Final answer
    x = 335,957.82

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Why These Related Problems?

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