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Finding the Fourth Proportional to 272,495.58, 408,152.61 and 131,959.50

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Solution

The fourth proportional to 272,495.58, 408,152.61 and 131,959.50 is: 197,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,495.58 : 408,152.61 = 131,959.50 : x
  2. Step 2: Convert to fraction form
    272,495.58/408,152.61 = 131,959.50/x
  3. Step 3: Cross multiply
    272,495.58x = 408,152.61 × 131,959.50
  4. Step 4: Simplify right side
    272,495.58x = 53,859,614,339.30
  5. Step 5: Solve for x
    x = 53,859,614,339.30/272,495.58
  6. Step 6: Final answer
    x = 197,653.17

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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.