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Finding the Fourth Proportional to 358,084.53, 494,035.56 and 203,019.15

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Solution

The fourth proportional to 358,084.53, 494,035.56 and 203,019.15 is: 280,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,084.53 : 494,035.56 = 203,019.15 : x
  2. Step 2: Convert to fraction form
    358,084.53/494,035.56 = 203,019.15/x
  3. Step 3: Cross multiply
    358,084.53x = 494,035.56 × 203,019.15
  4. Step 4: Simplify right side
    358,084.53x = 100,298,679,460.97
  5. Step 5: Solve for x
    x = 100,298,679,460.97/358,084.53
  6. Step 6: Final answer
    x = 280,097.77

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1.5x scale

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.