Home / 272,405.06-408,336.47-130,083.96

Finding the Fourth Proportional to 272,405.06, 408,336.47 and 130,083.96

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Solution

The fourth proportional to 272,405.06, 408,336.47 and 130,083.96 is: 194,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,405.06 : 408,336.47 = 130,083.96 : x
  2. Step 2: Convert to fraction form
    272,405.06/408,336.47 = 130,083.96/x
  3. Step 3: Cross multiply
    272,405.06x = 408,336.47 × 130,083.96
  4. Step 4: Simplify right side
    272,405.06x = 53,118,024,379.60
  5. Step 5: Solve for x
    x = 53,118,024,379.60/272,405.06
  6. Step 6: Final answer
    x = 194,996.47

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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.