Home / 193,485.40-290,228.10-179,488.60

Finding the Fourth Proportional to 193,485.40, 290,228.10 and 179,488.60

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Solution

The fourth proportional to 193,485.40, 290,228.10 and 179,488.60 is: 269,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,485.40 : 290,228.10 = 179,488.60 : x
  2. Step 2: Convert to fraction form
    193,485.40/290,228.10 = 179,488.60/x
  3. Step 3: Cross multiply
    193,485.40x = 290,228.10 × 179,488.60
  4. Step 4: Simplify right side
    193,485.40x = 52,092,635,349.66
  5. Step 5: Solve for x
    x = 52,092,635,349.66/193,485.40
  6. Step 6: Final answer
    x = 269,232.90

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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.