Finding the Fourth Proportional to 384,641.82, 530,804.40 and 212,554.99
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Solution
The fourth proportional to 384,641.82, 530,804.40 and 212,554.99 is: 293,325.16
Step by Step Solution
- Step 1: Write the proportion equation
384,641.82 : 530,804.40 = 212,554.99 : x - Step 2: Convert to fraction form
384,641.82/530,804.40 = 212,554.99/x - Step 3: Cross multiply
384,641.82x = 530,804.40 × 212,554.99 - Step 4: Simplify right side
384,641.82x = 112,825,125,891.08 - Step 5: Solve for x
x = 112,825,125,891.08/384,641.82 - Step 6: Final answer
x = 293,325.16
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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.