Home / 331,940.23-458,075.43-188,700.31

Finding the Fourth Proportional to 331,940.23, 458,075.43 and 188,700.31

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Solution

The fourth proportional to 331,940.23, 458,075.43 and 188,700.31 is: 260,405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,940.23 : 458,075.43 = 188,700.31 : x
  2. Step 2: Convert to fraction form
    331,940.23/458,075.43 = 188,700.31/x
  3. Step 3: Cross multiply
    331,940.23x = 458,075.43 × 188,700.31
  4. Step 4: Simplify right side
    331,940.23x = 86,438,975,644.38
  5. Step 5: Solve for x
    x = 86,438,975,644.38/331,940.23
  6. Step 6: Final answer
    x = 260,405.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.