Finding the Fourth Proportional to 266,436.54, 399,812.36 and 98,075.12
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Solution
The fourth proportional to 266,436.54, 399,812.36 and 98,075.12 is: 147,170.66
Step by Step Solution
- Step 1: Write the proportion equation
266,436.54 : 399,812.36 = 98,075.12 : x - Step 2: Convert to fraction form
266,436.54/399,812.36 = 98,075.12/x - Step 3: Cross multiply
266,436.54x = 399,812.36 × 98,075.12 - Step 4: Simplify right side
266,436.54x = 39,211,642,695.05 - Step 5: Solve for x
x = 39,211,642,695.05/266,436.54 - Step 6: Final answer
x = 147,170.66
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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.