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Finding the Fourth Proportional to 200,779.54, 301,118.75 and 82,483.54

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Solution

The fourth proportional to 200,779.54, 301,118.75 and 82,483.54 is: 123,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,779.54 : 301,118.75 = 82,483.54 : x
  2. Step 2: Convert to fraction form
    200,779.54/301,118.75 = 82,483.54/x
  3. Step 3: Cross multiply
    200,779.54x = 301,118.75 × 82,483.54
  4. Step 4: Simplify right side
    200,779.54x = 24,837,340,460.38
  5. Step 5: Solve for x
    x = 24,837,340,460.38/200,779.54
  6. Step 6: Final answer
    x = 123,704.54

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1.5x scale

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.