Finding the Fourth Proportional to 204,702.21, 282,489.63 and 118,677.90
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Solution
The fourth proportional to 204,702.21, 282,489.63 and 118,677.90 is: 163,775.84
Step by Step Solution
- Step 1: Write the proportion equation
204,702.21 : 282,489.63 = 118,677.90 : x - Step 2: Convert to fraction form
204,702.21/282,489.63 = 118,677.90/x - Step 3: Cross multiply
204,702.21x = 282,489.63 × 118,677.90 - Step 4: Simplify right side
204,702.21x = 33,525,276,060.18 - Step 5: Solve for x
x = 33,525,276,060.18/204,702.21 - Step 6: Final answer
x = 163,775.84
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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.