Home / 625,396.02-938,084.81-198,957.68

Finding the Fourth Proportional to 625,396.02, 938,084.81 and 198,957.68

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Solution

The fourth proportional to 625,396.02, 938,084.81 and 198,957.68 is: 298,433.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,396.02 : 938,084.81 = 198,957.68 : x
  2. Step 2: Convert to fraction form
    625,396.02/938,084.81 = 198,957.68/x
  3. Step 3: Cross multiply
    625,396.02x = 938,084.81 × 198,957.68
  4. Step 4: Simplify right side
    625,396.02x = 186,639,171,755.63
  5. Step 5: Solve for x
    x = 186,639,171,755.63/625,396.02
  6. Step 6: Final answer
    x = 298,433.58

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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.