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Finding the Fourth Proportional to 262,846.87, 362,728.38 and 141,988.14

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Solution

The fourth proportional to 262,846.87, 362,728.38 and 141,988.14 is: 195,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,846.87 : 362,728.38 = 141,988.14 : x
  2. Step 2: Convert to fraction form
    262,846.87/362,728.38 = 141,988.14/x
  3. Step 3: Cross multiply
    262,846.87x = 362,728.38 × 141,988.14
  4. Step 4: Simplify right side
    262,846.87x = 51,503,127,735.19
  5. Step 5: Solve for x
    x = 51,503,127,735.19/262,846.87
  6. Step 6: Final answer
    x = 195,943.47

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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.