Finding the Fourth Proportional to 205,965.70, 288,766.70 and 205,965.70
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Solution
The fourth proportional to 205,965.70, 288,766.70 and 205,965.70 is: 288,766.70
Step by Step Solution
- Step 1: Write the proportion equation
205,965.70 : 288,766.70 = 205,965.70 : x - Step 2: Convert to fraction form
205,965.70/288,766.70 = 205,965.70/x - Step 3: Cross multiply
205,965.70x = 288,766.70 × 205,965.70 - Step 4: Simplify right side
205,965.70x = 59,476,035,502.19 - Step 5: Solve for x
x = 59,476,035,502.19/205,965.70 - Step 6: Final answer
x = 288,766.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.