Home / 264,313.29-396,511.25-86,779.92

Finding the Fourth Proportional to 264,313.29, 396,511.25 and 86,779.92

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Solution

The fourth proportional to 264,313.29, 396,511.25 and 86,779.92 is: 130,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,313.29 : 396,511.25 = 86,779.92 : x
  2. Step 2: Convert to fraction form
    264,313.29/396,511.25 = 86,779.92/x
  3. Step 3: Cross multiply
    264,313.29x = 396,511.25 × 86,779.92
  4. Step 4: Simplify right side
    264,313.29x = 34,409,214,554.10
  5. Step 5: Solve for x
    x = 34,409,214,554.10/264,313.29
  6. Step 6: Final answer
    x = 130,183.44

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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.