Finding the Fourth Proportional to 207,140.64, 310,717.84 and 57,382.44
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Solution
The fourth proportional to 207,140.64, 310,717.84 and 57,382.44 is: 86,075.57
Step by Step Solution
- Step 1: Write the proportion equation
207,140.64 : 310,717.84 = 57,382.44 : x - Step 2: Convert to fraction form
207,140.64/310,717.84 = 57,382.44/x - Step 3: Cross multiply
207,140.64x = 310,717.84 × 57,382.44 - Step 4: Simplify right side
207,140.64x = 17,829,747,810.73 - Step 5: Solve for x
x = 17,829,747,810.73/207,140.64 - Step 6: Final answer
x = 86,075.57
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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.