Finding the Fourth Proportional to 660,241.99, 990,180.06 and 233,721.63
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Solution
The fourth proportional to 660,241.99, 990,180.06 and 233,721.63 is: 350,517.69
Step by Step Solution
- Step 1: Write the proportion equation
660,241.99 : 990,180.06 = 233,721.63 : x - Step 2: Convert to fraction form
660,241.99/990,180.06 = 233,721.63/x - Step 3: Cross multiply
660,241.99x = 990,180.06 × 233,721.63 - Step 4: Simplify right side
660,241.99x = 231,426,497,616.70 - Step 5: Solve for x
x = 231,426,497,616.70/660,241.99 - Step 6: Final answer
x = 350,517.69
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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.