Home / 211,546.60-317,319.90-201,705.10

Finding the Fourth Proportional to 211,546.60, 317,319.90 and 201,705.10

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Solution

The fourth proportional to 211,546.60, 317,319.90 and 201,705.10 is: 302,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,546.60 : 317,319.90 = 201,705.10 : x
  2. Step 2: Convert to fraction form
    211,546.60/317,319.90 = 201,705.10/x
  3. Step 3: Cross multiply
    211,546.60x = 317,319.90 × 201,705.10
  4. Step 4: Simplify right side
    211,546.60x = 64,005,042,161.49
  5. Step 5: Solve for x
    x = 64,005,042,161.49/211,546.60
  6. Step 6: Final answer
    x = 302,557.65

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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.