Finding the Fourth Proportional to 236,692.77, 326,638.62 and 129,265.96
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Solution
The fourth proportional to 236,692.77, 326,638.62 and 129,265.96 is: 178,388.44
Step by Step Solution
- Step 1: Write the proportion equation
236,692.77 : 326,638.62 = 129,265.96 : x - Step 2: Convert to fraction form
236,692.77/326,638.62 = 129,265.96/x - Step 3: Cross multiply
236,692.77x = 326,638.62 × 129,265.96 - Step 4: Simplify right side
236,692.77x = 42,223,254,787.38 - Step 5: Solve for x
x = 42,223,254,787.38/236,692.77 - Step 6: Final answer
x = 178,388.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.