Finding the Fourth Proportional to 512,183.39, 706,852.17 and 282,784.84
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Solution
The fourth proportional to 512,183.39, 706,852.17 and 282,784.84 is: 390,264.66
Step by Step Solution
- Step 1: Write the proportion equation
512,183.39 : 706,852.17 = 282,784.84 : x - Step 2: Convert to fraction form
512,183.39/706,852.17 = 282,784.84/x - Step 3: Cross multiply
512,183.39x = 706,852.17 × 282,784.84 - Step 4: Simplify right side
512,183.39x = 199,887,076,029.97 - Step 5: Solve for x
x = 199,887,076,029.97/512,183.39 - Step 6: Final answer
x = 390,264.66
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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.