Home / 231,970.40-320,273.34-178,159.25

Finding the Fourth Proportional to 231,970.40, 320,273.34 and 178,159.25

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Solution

The fourth proportional to 231,970.40, 320,273.34 and 178,159.25 is: 245,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,970.40 : 320,273.34 = 178,159.25 : x
  2. Step 2: Convert to fraction form
    231,970.40/320,273.34 = 178,159.25/x
  3. Step 3: Cross multiply
    231,970.40x = 320,273.34 × 178,159.25
  4. Step 4: Simplify right side
    231,970.40x = 57,059,658,049.40
  5. Step 5: Solve for x
    x = 57,059,658,049.40/231,970.40
  6. Step 6: Final answer
    x = 245,978.19

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1.5x scale

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.