Home / 272,904.09-408,903.64-165,964.60

Finding the Fourth Proportional to 272,904.09, 408,903.64 and 165,964.60

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Solution

The fourth proportional to 272,904.09, 408,903.64 and 165,964.60 is: 248,671.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,904.09 : 408,903.64 = 165,964.60 : x
  2. Step 2: Convert to fraction form
    272,904.09/408,903.64 = 165,964.60/x
  3. Step 3: Cross multiply
    272,904.09x = 408,903.64 × 165,964.60
  4. Step 4: Simplify right side
    272,904.09x = 67,863,527,780.83
  5. Step 5: Solve for x
    x = 67,863,527,780.83/272,904.09
  6. Step 6: Final answer
    x = 248,671.72

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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.