Home / 211,327.02-316,991.79-53,555.94

Finding the Fourth Proportional to 211,327.02, 316,991.79 and 53,555.94

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Solution

The fourth proportional to 211,327.02, 316,991.79 and 53,555.94 is: 80,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,327.02 : 316,991.79 = 53,555.94 : x
  2. Step 2: Convert to fraction form
    211,327.02/316,991.79 = 53,555.94/x
  3. Step 3: Cross multiply
    211,327.02x = 316,991.79 × 53,555.94
  4. Step 4: Simplify right side
    211,327.02x = 16,976,793,285.73
  5. Step 5: Solve for x
    x = 16,976,793,285.73/211,327.02
  6. Step 6: Final answer
    x = 80,334.23

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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.