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Finding the Fourth Proportional to 190,812, 286,218 and 59,484

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Solution

The fourth proportional to 190,812, 286,218 and 59,484 is: 89,226

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,812 : 286,218 = 59,484 : x
  2. Step 2: Convert to fraction form
    190,812/286,218 = 59,484/x
  3. Step 3: Cross multiply
    190,812x = 286,218 × 59,484
  4. Step 4: Simplify right side
    190,812x = 17,025,391,512
  5. Step 5: Solve for x
    x = 17,025,391,512/190,812
  6. Step 6: Final answer
    x = 89,226

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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.