Finding the Fourth Proportional to 405,382.08, 559,482.88 and 233,296.56
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Solution
The fourth proportional to 405,382.08, 559,482.88 and 233,296.56 is: 321,981.26
Step by Step Solution
- Step 1: Write the proportion equation
405,382.08 : 559,482.88 = 233,296.56 : x - Step 2: Convert to fraction form
405,382.08/559,482.88 = 233,296.56/x - Step 3: Cross multiply
405,382.08x = 559,482.88 × 233,296.56 - Step 4: Simplify right side
405,382.08x = 130,525,431,282.89 - Step 5: Solve for x
x = 130,525,431,282.89/405,382.08 - Step 6: Final answer
x = 321,981.26
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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.