Home / 204,425.40-306,638.10-186,054.60

Finding the Fourth Proportional to 204,425.40, 306,638.10 and 186,054.60

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Solution

The fourth proportional to 204,425.40, 306,638.10 and 186,054.60 is: 279,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,425.40 : 306,638.10 = 186,054.60 : x
  2. Step 2: Convert to fraction form
    204,425.40/306,638.10 = 186,054.60/x
  3. Step 3: Cross multiply
    204,425.40x = 306,638.10 × 186,054.60
  4. Step 4: Simplify right side
    204,425.40x = 57,051,429,040.26
  5. Step 5: Solve for x
    x = 57,051,429,040.26/204,425.40
  6. Step 6: Final answer
    x = 279,081.90

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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.