Home / 354,799.15-489,622.66-193,654.18

Finding the Fourth Proportional to 354,799.15, 489,622.66 and 193,654.18

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Solution

The fourth proportional to 354,799.15, 489,622.66 and 193,654.18 is: 267,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,799.15 : 489,622.66 = 193,654.18 : x
  2. Step 2: Convert to fraction form
    354,799.15/489,622.66 = 193,654.18/x
  3. Step 3: Cross multiply
    354,799.15x = 489,622.66 × 193,654.18
  4. Step 4: Simplify right side
    354,799.15x = 94,817,474,731.72
  5. Step 5: Solve for x
    x = 94,817,474,731.72/354,799.15
  6. Step 6: Final answer
    x = 267,242.68

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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.