Finding the Fourth Proportional to 216,537.90, 298,828.92 and 121,048.62
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Solution
The fourth proportional to 216,537.90, 298,828.92 and 121,048.62 is: 167,050.80
Step by Step Solution
- Step 1: Write the proportion equation
216,537.90 : 298,828.92 = 121,048.62 : x - Step 2: Convert to fraction form
216,537.90/298,828.92 = 121,048.62/x - Step 3: Cross multiply
216,537.90x = 298,828.92 × 121,048.62 - Step 4: Simplify right side
216,537.90x = 36,172,828,382.09 - Step 5: Solve for x
x = 36,172,828,382.09/216,537.90 - Step 6: Final answer
x = 167,050.80
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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.