Home / 291,669.30-437,160.04-131,557.82

Finding the Fourth Proportional to 291,669.30, 437,160.04 and 131,557.82

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Solution

The fourth proportional to 291,669.30, 437,160.04 and 131,557.82 is: 197,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,669.30 : 437,160.04 = 131,557.82 : x
  2. Step 2: Convert to fraction form
    291,669.30/437,160.04 = 131,557.82/x
  3. Step 3: Cross multiply
    291,669.30x = 437,160.04 × 131,557.82
  4. Step 4: Simplify right side
    291,669.30x = 57,511,819,338.82
  5. Step 5: Solve for x
    x = 57,511,819,338.82/291,669.30
  6. Step 6: Final answer
    x = 197,181.60

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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.