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Finding the Fourth Proportional to 535,554.74, 803,334.87 and 180,571.83

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Solution

The fourth proportional to 535,554.74, 803,334.87 and 180,571.83 is: 270,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,554.74 : 803,334.87 = 180,571.83 : x
  2. Step 2: Convert to fraction form
    535,554.74/803,334.87 = 180,571.83/x
  3. Step 3: Cross multiply
    535,554.74x = 803,334.87 × 180,571.83
  4. Step 4: Simplify right side
    535,554.74x = 145,059,647,578.71
  5. Step 5: Solve for x
    x = 145,059,647,578.71/535,554.74
  6. Step 6: Final answer
    x = 270,858.68

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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.