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Finding the Fourth Proportional to 262,921.71, 362,906.29 and 155,529.08

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Solution

The fourth proportional to 262,921.71, 362,906.29 and 155,529.08 is: 214,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,921.71 : 362,906.29 = 155,529.08 : x
  2. Step 2: Convert to fraction form
    262,921.71/362,906.29 = 155,529.08/x
  3. Step 3: Cross multiply
    262,921.71x = 362,906.29 × 155,529.08
  4. Step 4: Simplify right side
    262,921.71x = 56,442,481,150.69
  5. Step 5: Solve for x
    x = 56,442,481,150.69/262,921.71
  6. Step 6: Final answer
    x = 214,674.10

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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.