Home / 545,213.03-817,754.94-145,884.65

Finding the Fourth Proportional to 545,213.03, 817,754.94 and 145,884.65

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Solution

The fourth proportional to 545,213.03, 817,754.94 and 145,884.65 is: 218,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,213.03 : 817,754.94 = 145,884.65 : x
  2. Step 2: Convert to fraction form
    545,213.03/817,754.94 = 145,884.65/x
  3. Step 3: Cross multiply
    545,213.03x = 817,754.94 × 145,884.65
  4. Step 4: Simplify right side
    545,213.03x = 119,297,889,118.90
  5. Step 5: Solve for x
    x = 119,297,889,118.90/545,213.03
  6. Step 6: Final answer
    x = 218,809.68

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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.