Home / 358,064.20-494,089.86-207,133

Finding the Fourth Proportional to 358,064.20, 494,089.86 and 207,133

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Solution

The fourth proportional to 358,064.20, 494,089.86 and 207,133 is: 285,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,064.20 : 494,089.86 = 207,133 : x
  2. Step 2: Convert to fraction form
    358,064.20/494,089.86 = 207,133/x
  3. Step 3: Cross multiply
    358,064.20x = 494,089.86 × 207,133
  4. Step 4: Simplify right side
    358,064.20x = 102,342,314,971.38
  5. Step 5: Solve for x
    x = 102,342,314,971.38/358,064.20
  6. Step 6: Final answer
    x = 285,821.13

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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.