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Finding the Fourth Proportional to 279,852.28, 419,902.32 and 146,700.88

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Solution

The fourth proportional to 279,852.28, 419,902.32 and 146,700.88 is: 220,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,852.28 : 419,902.32 = 146,700.88 : x
  2. Step 2: Convert to fraction form
    279,852.28/419,902.32 = 146,700.88/x
  3. Step 3: Cross multiply
    279,852.28x = 419,902.32 × 146,700.88
  4. Step 4: Simplify right side
    279,852.28x = 61,600,039,858.04
  5. Step 5: Solve for x
    x = 61,600,039,858.04/279,852.28
  6. Step 6: Final answer
    x = 220,116.27

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1.5x scale

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.