Home / 291,789.90-437,684.82-151,253.28

Finding the Fourth Proportional to 291,789.90, 437,684.82 and 151,253.28

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Solution

The fourth proportional to 291,789.90, 437,684.82 and 151,253.28 is: 226,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,789.90 : 437,684.82 = 151,253.28 : x
  2. Step 2: Convert to fraction form
    291,789.90/437,684.82 = 151,253.28/x
  3. Step 3: Cross multiply
    291,789.90x = 437,684.82 × 151,253.28
  4. Step 4: Simplify right side
    291,789.90x = 66,201,264,631.21
  5. Step 5: Solve for x
    x = 66,201,264,631.21/291,789.90
  6. Step 6: Final answer
    x = 226,879.90

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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.