Finding the Fourth Proportional to 820,075.84, 1,230,291.96 and 251,459.08
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Solution
The fourth proportional to 820,075.84, 1,230,291.96 and 251,459.08 is: 377,243.26
Step by Step Solution
- Step 1: Write the proportion equation
820,075.84 : 1,230,291.96 = 251,459.08 : x - Step 2: Convert to fraction form
820,075.84/1,230,291.96 = 251,459.08/x - Step 3: Cross multiply
820,075.84x = 1,230,291.96 × 251,459.08 - Step 4: Simplify right side
820,075.84x = 309,368,084,393.00 - Step 5: Solve for x
x = 309,368,084,393.00/820,075.84 - Step 6: Final answer
x = 377,243.26
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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.