Finding the Fourth Proportional to 208,797.84, 288,136.98 and 118,152.14
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Solution
The fourth proportional to 208,797.84, 288,136.98 and 118,152.14 is: 163,047.66
Step by Step Solution
- Step 1: Write the proportion equation
208,797.84 : 288,136.98 = 118,152.14 : x - Step 2: Convert to fraction form
208,797.84/288,136.98 = 118,152.14/x - Step 3: Cross multiply
208,797.84x = 288,136.98 × 118,152.14 - Step 4: Simplify right side
208,797.84x = 34,043,999,359.45 - Step 5: Solve for x
x = 34,043,999,359.45/208,797.84 - Step 6: Final answer
x = 163,047.66
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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.