Finding the Fourth Proportional to 216,456.54, 298,684.14 and 119,647.32
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Solution
The fourth proportional to 216,456.54, 298,684.14 and 119,647.32 is: 165,098.99
Step by Step Solution
- Step 1: Write the proportion equation
216,456.54 : 298,684.14 = 119,647.32 : x - Step 2: Convert to fraction form
216,456.54/298,684.14 = 119,647.32/x - Step 3: Cross multiply
216,456.54x = 298,684.14 × 119,647.32 - Step 4: Simplify right side
216,456.54x = 35,736,755,865.14 - Step 5: Solve for x
x = 35,736,755,865.14/216,456.54 - Step 6: Final answer
x = 165,098.99
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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.