Home / 272,516.58-408,184.05-131,980.50

Finding the Fourth Proportional to 272,516.58, 408,184.05 and 131,980.50

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Solution

The fourth proportional to 272,516.58, 408,184.05 and 131,980.50 is: 197,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,516.58 : 408,184.05 = 131,980.50 : x
  2. Step 2: Convert to fraction form
    272,516.58/408,184.05 = 131,980.50/x
  3. Step 3: Cross multiply
    272,516.58x = 408,184.05 × 131,980.50
  4. Step 4: Simplify right side
    272,516.58x = 53,872,335,011.03
  5. Step 5: Solve for x
    x = 53,872,335,011.03/272,516.58
  6. Step 6: Final answer
    x = 197,684.61

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1.5x scale

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.