Finding the Fourth Proportional to 193,107.79, 266,504.48 and 107,075.31
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Solution
The fourth proportional to 193,107.79, 266,504.48 and 107,075.31 is: 147,772.65
Step by Step Solution
- Step 1: Write the proportion equation
193,107.79 : 266,504.48 = 107,075.31 : x - Step 2: Convert to fraction form
193,107.79/266,504.48 = 107,075.31/x - Step 3: Cross multiply
193,107.79x = 266,504.48 × 107,075.31 - Step 4: Simplify right side
193,107.79x = 28,536,049,812.39 - Step 5: Solve for x
x = 28,536,049,812.39/193,107.79 - Step 6: Final answer
x = 147,772.65
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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.