Home / 291,515.86-437,507.07-151,314.58

Finding the Fourth Proportional to 291,515.86, 437,507.07 and 151,314.58

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Solution

The fourth proportional to 291,515.86, 437,507.07 and 151,314.58 is: 227,092.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,515.86 : 437,507.07 = 151,314.58 : x
  2. Step 2: Convert to fraction form
    291,515.86/437,507.07 = 151,314.58/x
  3. Step 3: Cross multiply
    291,515.86x = 437,507.07 × 151,314.58
  4. Step 4: Simplify right side
    291,515.86x = 66,201,198,544.08
  5. Step 5: Solve for x
    x = 66,201,198,544.08/291,515.86
  6. Step 6: Final answer
    x = 227,092.96

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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.