Finding the Fourth Proportional to 304,816.08, 420,851.70 and 190,269.18
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Solution
The fourth proportional to 304,816.08, 420,851.70 and 190,269.18 is: 262,699.75
Step by Step Solution
- Step 1: Write the proportion equation
304,816.08 : 420,851.70 = 190,269.18 : x - Step 2: Convert to fraction form
304,816.08/420,851.70 = 190,269.18/x - Step 3: Cross multiply
304,816.08x = 420,851.70 × 190,269.18 - Step 4: Simplify right side
304,816.08x = 80,075,107,860.61 - Step 5: Solve for x
x = 80,075,107,860.61/304,816.08 - Step 6: Final answer
x = 262,699.75
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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.