Finding the Fourth Proportional to 216,702.48, 299,050.19 and 121,203.07
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Solution
The fourth proportional to 216,702.48, 299,050.19 and 121,203.07 is: 167,260.67
Step by Step Solution
- Step 1: Write the proportion equation
216,702.48 : 299,050.19 = 121,203.07 : x - Step 2: Convert to fraction form
216,702.48/299,050.19 = 121,203.07/x - Step 3: Cross multiply
216,702.48x = 299,050.19 × 121,203.07 - Step 4: Simplify right side
216,702.48x = 36,245,801,112.08 - Step 5: Solve for x
x = 36,245,801,112.08/216,702.48 - Step 6: Final answer
x = 167,260.67
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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.