Home / 545,251.54-817,814.76-145,923.44

Finding the Fourth Proportional to 545,251.54, 817,814.76 and 145,923.44

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Solution

The fourth proportional to 545,251.54, 817,814.76 and 145,923.44 is: 218,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,251.54 : 817,814.76 = 145,923.44 : x
  2. Step 2: Convert to fraction form
    545,251.54/817,814.76 = 145,923.44/x
  3. Step 3: Cross multiply
    545,251.54x = 817,814.76 × 145,923.44
  4. Step 4: Simplify right side
    545,251.54x = 119,338,343,061.97
  5. Step 5: Solve for x
    x = 119,338,343,061.97/545,251.54
  6. Step 6: Final answer
    x = 218,868.42

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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.