Finding the Fourth Proportional to 274,278.21, 411,269.39 and 124,436.74
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Solution
The fourth proportional to 274,278.21, 411,269.39 and 124,436.74 is: 186,587.99
Step by Step Solution
- Step 1: Write the proportion equation
274,278.21 : 411,269.39 = 124,436.74 : x - Step 2: Convert to fraction form
274,278.21/411,269.39 = 124,436.74/x - Step 3: Cross multiply
274,278.21x = 411,269.39 × 124,436.74 - Step 4: Simplify right side
274,278.21x = 51,177,020,503.03 - Step 5: Solve for x
x = 51,177,020,503.03/274,278.21 - Step 6: Final answer
x = 186,587.99
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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.