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Finding the Fourth Proportional to 207,514.60, 311,271.90 and 207,514.60

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Solution

The fourth proportional to 207,514.60, 311,271.90 and 207,514.60 is: 311,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,514.60 : 311,271.90 = 207,514.60 : x
  2. Step 2: Convert to fraction form
    207,514.60/311,271.90 = 207,514.60/x
  3. Step 3: Cross multiply
    207,514.60x = 311,271.90 × 207,514.60
  4. Step 4: Simplify right side
    207,514.60x = 64,593,463,819.74
  5. Step 5: Solve for x
    x = 64,593,463,819.74/207,514.60
  6. Step 6: Final answer
    x = 311,271.90

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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.