Finding the Fourth Proportional to 384,075.98, 530,021.99 and 211,993.91
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Solution
The fourth proportional to 384,075.98, 530,021.99 and 211,993.91 is: 292,550.02
Step by Step Solution
- Step 1: Write the proportion equation
384,075.98 : 530,021.99 = 211,993.91 : x - Step 2: Convert to fraction form
384,075.98/530,021.99 = 211,993.91/x - Step 3: Cross multiply
384,075.98x = 530,021.99 × 211,993.91 - Step 4: Simplify right side
384,075.98x = 112,361,434,046.08 - Step 5: Solve for x
x = 112,361,434,046.08/384,075.98 - Step 6: Final answer
x = 292,550.02
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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.