Home / 276,285.52-414,559.50-143,140.96

Finding the Fourth Proportional to 276,285.52, 414,559.50 and 143,140.96

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Solution

The fourth proportional to 276,285.52, 414,559.50 and 143,140.96 is: 214,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,285.52 : 414,559.50 = 143,140.96 : x
  2. Step 2: Convert to fraction form
    276,285.52/414,559.50 = 143,140.96/x
  3. Step 3: Cross multiply
    276,285.52x = 414,559.50 × 143,140.96
  4. Step 4: Simplify right side
    276,285.52x = 59,340,444,807.12
  5. Step 5: Solve for x
    x = 59,340,444,807.12/276,285.52
  6. Step 6: Final answer
    x = 214,779.42

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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.