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Finding the Fourth Proportional to 358,453.06, 494,661.47 and 197,304.65

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Solution

The fourth proportional to 358,453.06, 494,661.47 and 197,304.65 is: 272,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,453.06 : 494,661.47 = 197,304.65 : x
  2. Step 2: Convert to fraction form
    358,453.06/494,661.47 = 197,304.65/x
  3. Step 3: Cross multiply
    358,453.06x = 494,661.47 × 197,304.65
  4. Step 4: Simplify right side
    358,453.06x = 97,599,006,738.75
  5. Step 5: Solve for x
    x = 97,599,006,738.75/358,453.06
  6. Step 6: Final answer
    x = 272,278.35

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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.