Finding the Fourth Proportional to 305,371.97, 458,089.34 and 105,692.03
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Solution
The fourth proportional to 305,371.97, 458,089.34 and 105,692.03 is: 158,548.90
Step by Step Solution
- Step 1: Write the proportion equation
305,371.97 : 458,089.34 = 105,692.03 : x - Step 2: Convert to fraction form
305,371.97/458,089.34 = 105,692.03/x - Step 3: Cross multiply
305,371.97x = 458,089.34 × 105,692.03 - Step 4: Simplify right side
305,371.97x = 48,416,389,447.05 - Step 5: Solve for x
x = 48,416,389,447.05/305,371.97 - Step 6: Final answer
x = 158,548.90
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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.