Home / 298,490.25-411,923.93-162,531.65

Finding the Fourth Proportional to 298,490.25, 411,923.93 and 162,531.65

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Solution

The fourth proportional to 298,490.25, 411,923.93 and 162,531.65 is: 224,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,490.25 : 411,923.93 = 162,531.65 : x
  2. Step 2: Convert to fraction form
    298,490.25/411,923.93 = 162,531.65/x
  3. Step 3: Cross multiply
    298,490.25x = 411,923.93 × 162,531.65
  4. Step 4: Simplify right side
    298,490.25x = 66,950,673,145.11
  5. Step 5: Solve for x
    x = 66,950,673,145.11/298,490.25
  6. Step 6: Final answer
    x = 224,297.69

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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.