Finding the Fourth Proportional to 298,419.96, 411,795.18 and 164,283.96
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Solution
The fourth proportional to 298,419.96, 411,795.18 and 164,283.96 is: 226,698.45
Step by Step Solution
- Step 1: Write the proportion equation
298,419.96 : 411,795.18 = 164,283.96 : x - Step 2: Convert to fraction form
298,419.96/411,795.18 = 164,283.96/x - Step 3: Cross multiply
298,419.96x = 411,795.18 × 164,283.96 - Step 4: Simplify right side
298,419.96x = 67,651,342,879.31 - Step 5: Solve for x
x = 67,651,342,879.31/298,419.96 - Step 6: Final answer
x = 226,698.45
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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.