Home / 211,199.58-316,011.96-208,837.62

Finding the Fourth Proportional to 211,199.58, 316,011.96 and 208,837.62

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Solution

The fourth proportional to 211,199.58, 316,011.96 and 208,837.62 is: 312,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,199.58 : 316,011.96 = 208,837.62 : x
  2. Step 2: Convert to fraction form
    211,199.58/316,011.96 = 208,837.62/x
  3. Step 3: Cross multiply
    211,199.58x = 316,011.96 × 208,837.62
  4. Step 4: Simplify right side
    211,199.58x = 65,995,185,617.94
  5. Step 5: Solve for x
    x = 65,995,185,617.94/211,199.58
  6. Step 6: Final answer
    x = 312,477.83

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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.