Finding the Fourth Proportional to 194,619.30, 291,907.35 and 159,497.70
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Solution
The fourth proportional to 194,619.30, 291,907.35 and 159,497.70 is: 239,228.85
Step by Step Solution
- Step 1: Write the proportion equation
194,619.30 : 291,907.35 = 159,497.70 : x - Step 2: Convert to fraction form
194,619.30/291,907.35 = 159,497.70/x - Step 3: Cross multiply
194,619.30x = 291,907.35 × 159,497.70 - Step 4: Simplify right side
194,619.30x = 46,558,550,938.10 - Step 5: Solve for x
x = 46,558,550,938.10/194,619.30 - Step 6: Final answer
x = 239,228.85
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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.