Home / 358,429.07-494,628.22-197,280.65

Finding the Fourth Proportional to 358,429.07, 494,628.22 and 197,280.65

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Solution

The fourth proportional to 358,429.07, 494,628.22 and 197,280.65 is: 272,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,429.07 : 494,628.22 = 197,280.65 : x
  2. Step 2: Convert to fraction form
    358,429.07/494,628.22 = 197,280.65/x
  3. Step 3: Cross multiply
    358,429.07x = 494,628.22 × 197,280.65
  4. Step 4: Simplify right side
    358,429.07x = 97,580,576,749.94
  5. Step 5: Solve for x
    x = 97,580,576,749.94/358,429.07
  6. Step 6: Final answer
    x = 272,245.15

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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.