Home / 211,600.86-317,539.53-100,801.50

Finding the Fourth Proportional to 211,600.86, 317,539.53 and 100,801.50

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Solution

The fourth proportional to 211,600.86, 317,539.53 and 100,801.50 is: 151,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,600.86 : 317,539.53 = 100,801.50 : x
  2. Step 2: Convert to fraction form
    211,600.86/317,539.53 = 100,801.50/x
  3. Step 3: Cross multiply
    211,600.86x = 317,539.53 × 100,801.50
  4. Step 4: Simplify right side
    211,600.86x = 32,008,460,933.30
  5. Step 5: Solve for x
    x = 32,008,460,933.30/211,600.86
  6. Step 6: Final answer
    x = 151,268.10

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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.