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Finding the Fourth Proportional to 250,890.36, 376,528.59 and 145,783.14

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Solution

The fourth proportional to 250,890.36, 376,528.59 and 145,783.14 is: 218,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,890.36 : 376,528.59 = 145,783.14 : x
  2. Step 2: Convert to fraction form
    250,890.36/376,528.59 = 145,783.14/x
  3. Step 3: Cross multiply
    250,890.36x = 376,528.59 × 145,783.14
  4. Step 4: Simplify right side
    250,890.36x = 54,891,520,149.97
  5. Step 5: Solve for x
    x = 54,891,520,149.97/250,890.36
  6. Step 6: Final answer
    x = 218,786.88

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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.