Finding the Fourth Proportional to 291,674.70, 437,252.85 and 191,882.70
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Solution
The fourth proportional to 291,674.70, 437,252.85 and 191,882.70 is: 287,653.53
Step by Step Solution
- Step 1: Write the proportion equation
291,674.70 : 437,252.85 = 191,882.70 : x - Step 2: Convert to fraction form
291,674.70/437,252.85 = 191,882.70/x - Step 3: Cross multiply
291,674.70x = 437,252.85 × 191,882.70 - Step 4: Simplify right side
291,674.70x = 83,901,257,440.70 - Step 5: Solve for x
x = 83,901,257,440.70/291,674.70 - Step 6: Final answer
x = 287,653.53
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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.