Finding the Fourth Proportional to 298,810.67, 412,358.79 and 162,844.65
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Solution
The fourth proportional to 298,810.67, 412,358.79 and 162,844.65 is: 224,725.65
Step by Step Solution
- Step 1: Write the proportion equation
298,810.67 : 412,358.79 = 162,844.65 : x - Step 2: Convert to fraction form
298,810.67/412,358.79 = 162,844.65/x - Step 3: Cross multiply
298,810.67x = 412,358.79 × 162,844.65 - Step 4: Simplify right side
298,810.67x = 67,150,422,831.97 - Step 5: Solve for x
x = 67,150,422,831.97/298,810.67 - Step 6: Final answer
x = 224,725.65
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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.