Home / 331,940.16-458,075.34-188,700.18

Finding the Fourth Proportional to 331,940.16, 458,075.34 and 188,700.18

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Solution

The fourth proportional to 331,940.16, 458,075.34 and 188,700.18 is: 260,405.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,940.16 : 458,075.34 = 188,700.18 : x
  2. Step 2: Convert to fraction form
    331,940.16/458,075.34 = 188,700.18/x
  3. Step 3: Cross multiply
    331,940.16x = 458,075.34 × 188,700.18
  4. Step 4: Simplify right side
    331,940.16x = 86,438,899,111.56
  5. Step 5: Solve for x
    x = 86,438,899,111.56/331,940.16
  6. Step 6: Final answer
    x = 260,405.07

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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.