Finding the Fourth Proportional to 490,092.62, 735,230.74 and 220,214.09
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Solution
The fourth proportional to 490,092.62, 735,230.74 and 220,214.09 is: 330,362.38
Step by Step Solution
- Step 1: Write the proportion equation
490,092.62 : 735,230.74 = 220,214.09 : x - Step 2: Convert to fraction form
490,092.62/735,230.74 = 220,214.09/x - Step 3: Cross multiply
490,092.62x = 735,230.74 × 220,214.09 - Step 4: Simplify right side
490,092.62x = 161,908,164,122.44 - Step 5: Solve for x
x = 161,908,164,122.44/490,092.62 - Step 6: Final answer
x = 330,362.38
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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.