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Finding the Fourth Proportional to 280,317.73, 420,532.08 and 102,826.27

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Solution

The fourth proportional to 280,317.73, 420,532.08 and 102,826.27 is: 154,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,317.73 : 420,532.08 = 102,826.27 : x
  2. Step 2: Convert to fraction form
    280,317.73/420,532.08 = 102,826.27/x
  3. Step 3: Cross multiply
    280,317.73x = 420,532.08 × 102,826.27
  4. Step 4: Simplify right side
    280,317.73x = 43,241,745,201.74
  5. Step 5: Solve for x
    x = 43,241,745,201.74/280,317.73
  6. Step 6: Final answer
    x = 154,259.76

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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.