Finding the Fourth Proportional to 245,616, 338,950.08 and 139,632
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Solution
The fourth proportional to 245,616, 338,950.08 and 139,632 is: 192,692.16
Step by Step Solution
- Step 1: Write the proportion equation
245,616 : 338,950.08 = 139,632 : x - Step 2: Convert to fraction form
245,616/338,950.08 = 139,632/x - Step 3: Cross multiply
245,616x = 338,950.08 × 139,632 - Step 4: Simplify right side
245,616x = 47,328,277,570.56 - Step 5: Solve for x
x = 47,328,277,570.56/245,616 - Step 6: Final answer
x = 192,692.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.