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Finding the Fourth Proportional to 358,233.65, 494,362.42 and 197,085.24

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Solution

The fourth proportional to 358,233.65, 494,362.42 and 197,085.24 is: 271,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,233.65 : 494,362.42 = 197,085.24 : x
  2. Step 2: Convert to fraction form
    358,233.65/494,362.42 = 197,085.24/x
  3. Step 3: Cross multiply
    358,233.65x = 494,362.42 × 197,085.24
  4. Step 4: Simplify right side
    358,233.65x = 97,431,533,353.40
  5. Step 5: Solve for x
    x = 97,431,533,353.40/358,233.65
  6. Step 6: Final answer
    x = 271,977.61

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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.