Finding the Fourth Proportional to 306,141.90, 459,213.84 and 92,911.63
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Solution
The fourth proportional to 306,141.90, 459,213.84 and 92,911.63 is: 139,367.75
Step by Step Solution
- Step 1: Write the proportion equation
306,141.90 : 459,213.84 = 92,911.63 : x - Step 2: Convert to fraction form
306,141.90/459,213.84 = 92,911.63/x - Step 3: Cross multiply
306,141.90x = 459,213.84 × 92,911.63 - Step 4: Simplify right side
306,141.90x = 42,666,307,789.46 - Step 5: Solve for x
x = 42,666,307,789.46/306,141.90 - Step 6: Final answer
x = 139,367.75
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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.