Finding the Fourth Proportional to 617,055.75, 851,530.63 and 345,122.99
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Solution
The fourth proportional to 617,055.75, 851,530.63 and 345,122.99 is: 476,266.20
Step by Step Solution
- Step 1: Write the proportion equation
617,055.75 : 851,530.63 = 345,122.99 : x - Step 2: Convert to fraction form
617,055.75/851,530.63 = 345,122.99/x - Step 3: Cross multiply
617,055.75x = 851,530.63 × 345,122.99 - Step 4: Simplify right side
617,055.75x = 293,882,797,102.18 - Step 5: Solve for x
x = 293,882,797,102.18/617,055.75 - Step 6: Final answer
x = 476,266.20
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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.