Home / 354,996-489,895.32-193,851.36

Finding the Fourth Proportional to 354,996, 489,895.32 and 193,851.36

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Solution

The fourth proportional to 354,996, 489,895.32 and 193,851.36 is: 267,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,996 : 489,895.32 = 193,851.36 : x
  2. Step 2: Convert to fraction form
    354,996/489,895.32 = 193,851.36/x
  3. Step 3: Cross multiply
    354,996x = 489,895.32 × 193,851.36
  4. Step 4: Simplify right side
    354,996x = 94,966,874,039.64
  5. Step 5: Solve for x
    x = 94,966,874,039.64/354,996
  6. Step 6: Final answer
    x = 267,515.34

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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.