Home / 379,743.09-524,177.43-218,662.34

Finding the Fourth Proportional to 379,743.09, 524,177.43 and 218,662.34

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Solution

The fourth proportional to 379,743.09, 524,177.43 and 218,662.34 is: 301,830.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,743.09 : 524,177.43 = 218,662.34 : x
  2. Step 2: Convert to fraction form
    379,743.09/524,177.43 = 218,662.34/x
  3. Step 3: Cross multiply
    379,743.09x = 524,177.43 × 218,662.34
  4. Step 4: Simplify right side
    379,743.09x = 114,617,859,978.12
  5. Step 5: Solve for x
    x = 114,617,859,978.12/379,743.09
  6. Step 6: Final answer
    x = 301,830.01

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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.