Home / 354,974.90-489,867.16-193,829.95

Finding the Fourth Proportional to 354,974.90, 489,867.16 and 193,829.95

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Solution

The fourth proportional to 354,974.90, 489,867.16 and 193,829.95 is: 267,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,974.90 : 489,867.16 = 193,829.95 : x
  2. Step 2: Convert to fraction form
    354,974.90/489,867.16 = 193,829.95/x
  3. Step 3: Cross multiply
    354,974.90x = 489,867.16 × 193,829.95
  4. Step 4: Simplify right side
    354,974.90x = 94,950,924,680.11
  5. Step 5: Solve for x
    x = 94,950,924,680.11/354,974.90
  6. Step 6: Final answer
    x = 267,486.31

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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.