Finding the Fourth Proportional to 374,692.77, 517,063.21 and 213,599.70
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Solution
The fourth proportional to 374,692.77, 517,063.21 and 213,599.70 is: 294,760.28
Step by Step Solution
- Step 1: Write the proportion equation
374,692.77 : 517,063.21 = 213,599.70 : x - Step 2: Convert to fraction form
374,692.77/517,063.21 = 213,599.70/x - Step 3: Cross multiply
374,692.77x = 517,063.21 × 213,599.70 - Step 4: Simplify right side
374,692.77x = 110,444,546,003.04 - Step 5: Solve for x
x = 110,444,546,003.04/374,692.77 - Step 6: Final answer
x = 294,760.28
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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.