Home / 642,025.60-962,811.24-186,522.09

Finding the Fourth Proportional to 642,025.60, 962,811.24 and 186,522.09

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Solution

The fourth proportional to 642,025.60, 962,811.24 and 186,522.09 is: 279,717.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,025.60 : 962,811.24 = 186,522.09 : x
  2. Step 2: Convert to fraction form
    642,025.60/962,811.24 = 186,522.09/x
  3. Step 3: Cross multiply
    642,025.60x = 962,811.24 × 186,522.09
  4. Step 4: Simplify right side
    642,025.60x = 179,585,564,760.29
  5. Step 5: Solve for x
    x = 179,585,564,760.29/642,025.60
  6. Step 6: Final answer
    x = 279,717.14

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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.