Finding the Fourth Proportional to 415,990.68, 624,063.80 and 166,692.12
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Solution
The fourth proportional to 415,990.68, 624,063.80 and 166,692.12 is: 250,069.35
Step by Step Solution
- Step 1: Write the proportion equation
415,990.68 : 624,063.80 = 166,692.12 : x - Step 2: Convert to fraction form
415,990.68/624,063.80 = 166,692.12/x - Step 3: Cross multiply
415,990.68x = 624,063.80 × 166,692.12 - Step 4: Simplify right side
415,990.68x = 104,026,517,837.26 - Step 5: Solve for x
x = 104,026,517,837.26/415,990.68 - Step 6: Final answer
x = 250,069.35
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1.5x scale
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.