Finding the Fourth Proportional to 417,968.37, 576,972.86 and 282,186.18
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Solution
The fourth proportional to 417,968.37, 576,972.86 and 282,186.18 is: 389,536.09
Step by Step Solution
- Step 1: Write the proportion equation
417,968.37 : 576,972.86 = 282,186.18 : x - Step 2: Convert to fraction form
417,968.37/576,972.86 = 282,186.18/x - Step 3: Cross multiply
417,968.37x = 576,972.86 × 282,186.18 - Step 4: Simplify right side
417,968.37x = 162,813,765,916.14 - Step 5: Solve for x
x = 162,813,765,916.14/417,968.37 - Step 6: Final answer
x = 389,536.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.