Home / 204,030.30-306,045.06-54,270.75

Finding the Fourth Proportional to 204,030.30, 306,045.06 and 54,270.75

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Solution

The fourth proportional to 204,030.30, 306,045.06 and 54,270.75 is: 81,406.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,030.30 : 306,045.06 = 54,270.75 : x
  2. Step 2: Convert to fraction form
    204,030.30/306,045.06 = 54,270.75/x
  3. Step 3: Cross multiply
    204,030.30x = 306,045.06 × 54,270.75
  4. Step 4: Simplify right side
    204,030.30x = 16,609,294,940.00
  5. Step 5: Solve for x
    x = 16,609,294,940.00/204,030.30
  6. Step 6: Final answer
    x = 81,406.02

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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.