Finding the Fourth Proportional to 298,765.08, 412,295.85 and 162,799.05
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Solution
The fourth proportional to 298,765.08, 412,295.85 and 162,799.05 is: 224,662.71
Step by Step Solution
- Step 1: Write the proportion equation
298,765.08 : 412,295.85 = 162,799.05 : x - Step 2: Convert to fraction form
298,765.08/412,295.85 = 162,799.05/x - Step 3: Cross multiply
298,765.08x = 412,295.85 × 162,799.05 - Step 4: Simplify right side
298,765.08x = 67,121,372,698.94 - Step 5: Solve for x
x = 67,121,372,698.94/298,765.08 - Step 6: Final answer
x = 224,662.71
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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.