Home / 272,022.58-408,033.06-72,342.80

Finding the Fourth Proportional to 272,022.58, 408,033.06 and 72,342.80

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Solution

The fourth proportional to 272,022.58, 408,033.06 and 72,342.80 is: 108,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,022.58 : 408,033.06 = 72,342.80 : x
  2. Step 2: Convert to fraction form
    272,022.58/408,033.06 = 72,342.80/x
  3. Step 3: Cross multiply
    272,022.58x = 408,033.06 × 72,342.80
  4. Step 4: Simplify right side
    272,022.58x = 29,518,254,052.97
  5. Step 5: Solve for x
    x = 29,518,254,052.97/272,022.58
  6. Step 6: Final answer
    x = 108,513.98

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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.