Home / 204,779.32-307,148.19-55,000.15

Finding the Fourth Proportional to 204,779.32, 307,148.19 and 55,000.15

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Solution

The fourth proportional to 204,779.32, 307,148.19 and 55,000.15 is: 82,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,779.32 : 307,148.19 = 55,000.15 : x
  2. Step 2: Convert to fraction form
    204,779.32/307,148.19 = 55,000.15/x
  3. Step 3: Cross multiply
    204,779.32x = 307,148.19 × 55,000.15
  4. Step 4: Simplify right side
    204,779.32x = 16,893,196,522.23
  5. Step 5: Solve for x
    x = 16,893,196,522.23/204,779.32
  6. Step 6: Final answer
    x = 82,494.64

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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.