Finding the Fourth Proportional to 205,664.07, 308,476.67 and 65,397.99
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Solution
The fourth proportional to 205,664.07, 308,476.67 and 65,397.99 is: 98,090.80
Step by Step Solution
- Step 1: Write the proportion equation
205,664.07 : 308,476.67 = 65,397.99 : x - Step 2: Convert to fraction form
205,664.07/308,476.67 = 65,397.99/x - Step 3: Cross multiply
205,664.07x = 308,476.67 × 65,397.99 - Step 4: Simplify right side
205,664.07x = 20,173,753,852.90 - Step 5: Solve for x
x = 20,173,753,852.90/205,664.07 - Step 6: Final answer
x = 98,090.80
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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.