Finding the Fourth Proportional to 699,208.20, 1,048,582.67 and 219,435.08
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Solution
The fourth proportional to 699,208.20, 1,048,582.67 and 219,435.08 is: 329,080.55
Step by Step Solution
- Step 1: Write the proportion equation
699,208.20 : 1,048,582.67 = 219,435.08 : x - Step 2: Convert to fraction form
699,208.20/1,048,582.67 = 219,435.08/x - Step 3: Cross multiply
699,208.20x = 1,048,582.67 × 219,435.08 - Step 4: Simplify right side
699,208.20x = 230,095,815,737.98 - Step 5: Solve for x
x = 230,095,815,737.98/699,208.20 - Step 6: Final answer
x = 329,080.55
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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.