Finding the Fourth Proportional to 268,486.18, 402,185.30 and 124,186.91
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Solution
The fourth proportional to 268,486.18, 402,185.30 and 124,186.91 is: 186,028.75
Step by Step Solution
- Step 1: Write the proportion equation
268,486.18 : 402,185.30 = 124,186.91 : x - Step 2: Convert to fraction form
268,486.18/402,185.30 = 124,186.91/x - Step 3: Cross multiply
268,486.18x = 402,185.30 × 124,186.91 - Step 4: Simplify right side
268,486.18x = 49,946,148,456.70 - Step 5: Solve for x
x = 49,946,148,456.70/268,486.18 - Step 6: Final answer
x = 186,028.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.