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Finding the Fourth Proportional to 190,585, 285,889.74 and 50,340.04

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Solution

The fourth proportional to 190,585, 285,889.74 and 50,340.04 is: 75,513.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,585 : 285,889.74 = 50,340.04 : x
  2. Step 2: Convert to fraction form
    190,585/285,889.74 = 50,340.04/x
  3. Step 3: Cross multiply
    190,585x = 285,889.74 × 50,340.04
  4. Step 4: Simplify right side
    190,585x = 14,391,700,947.19
  5. Step 5: Solve for x
    x = 14,391,700,947.19/190,585
  6. Step 6: Final answer
    x = 75,513.29

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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.