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Finding the Fourth Proportional to 362,363.52, 500,107.72 and 219,124.56

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Solution

The fourth proportional to 362,363.52, 500,107.72 and 219,124.56 is: 302,419.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,363.52 : 500,107.72 = 219,124.56 : x
  2. Step 2: Convert to fraction form
    362,363.52/500,107.72 = 219,124.56/x
  3. Step 3: Cross multiply
    362,363.52x = 500,107.72 × 219,124.56
  4. Step 4: Simplify right side
    362,363.52x = 109,585,884,097.60
  5. Step 5: Solve for x
    x = 109,585,884,097.60/362,363.52
  6. Step 6: Final answer
    x = 302,419.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.