Finding the Fourth Proportional to 140,323.84, 209,462.12 and 122,608.96
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Solution
The fourth proportional to 140,323.84, 209,462.12 and 122,608.96 is: 183,019.03
Step by Step Solution
- Step 1: Write the proportion equation
140,323.84 : 209,462.12 = 122,608.96 : x - Step 2: Convert to fraction form
140,323.84/209,462.12 = 122,608.96/x - Step 3: Cross multiply
140,323.84x = 209,462.12 × 122,608.96 - Step 4: Simplify right side
140,323.84x = 25,681,932,692.60 - Step 5: Solve for x
x = 25,681,932,692.60/140,323.84 - Step 6: Final answer
x = 183,019.03
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.