Finding the Fourth Proportional to 543,266.28, 749,706.18 and 301,551.75
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Solution
The fourth proportional to 543,266.28, 749,706.18 and 301,551.75 is: 416,140.70
Step by Step Solution
- Step 1: Write the proportion equation
543,266.28 : 749,706.18 = 301,551.75 : x - Step 2: Convert to fraction form
543,266.28/749,706.18 = 301,551.75/x - Step 3: Cross multiply
543,266.28x = 749,706.18 × 301,551.75 - Step 4: Simplify right side
543,266.28x = 226,075,210,564.82 - Step 5: Solve for x
x = 226,075,210,564.82/543,266.28 - Step 6: Final answer
x = 416,140.70
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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.