Finding the Fourth Proportional to 306,316.73, 459,497.04 and 81,675.99
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Solution
The fourth proportional to 306,316.73, 459,497.04 and 81,675.99 is: 122,519.84
Step by Step Solution
- Step 1: Write the proportion equation
306,316.73 : 459,497.04 = 81,675.99 : x - Step 2: Convert to fraction form
306,316.73/459,497.04 = 81,675.99/x - Step 3: Cross multiply
306,316.73x = 459,497.04 × 81,675.99 - Step 4: Simplify right side
306,316.73x = 37,529,875,644.07 - Step 5: Solve for x
x = 37,529,875,644.07/306,316.73 - Step 6: Final answer
x = 122,519.84
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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.