Finding the Fourth Proportional to 199,223.68, 275,197.88 and 159,217.84
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Solution
The fourth proportional to 199,223.68, 275,197.88 and 159,217.84 is: 219,935.76
Step by Step Solution
- Step 1: Write the proportion equation
199,223.68 : 275,197.88 = 159,217.84 : x - Step 2: Convert to fraction form
199,223.68/275,197.88 = 159,217.84/x - Step 3: Cross multiply
199,223.68x = 275,197.88 × 159,217.84 - Step 4: Simplify right side
199,223.68x = 43,816,412,026.18 - Step 5: Solve for x
x = 43,816,412,026.18/199,223.68 - Step 6: Final answer
x = 219,935.76
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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.