Finding the Fourth Proportional to 512,118.63, 706,723.77 and 282,675.99
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Solution
The fourth proportional to 512,118.63, 706,723.77 and 282,675.99 is: 390,092.90
Step by Step Solution
- Step 1: Write the proportion equation
512,118.63 : 706,723.77 = 282,675.99 : x - Step 2: Convert to fraction form
512,118.63/706,723.77 = 282,675.99/x - Step 3: Cross multiply
512,118.63x = 706,723.77 × 282,675.99 - Step 4: Simplify right side
512,118.63x = 199,773,841,341.28 - Step 5: Solve for x
x = 199,773,841,341.28/512,118.63 - Step 6: Final answer
x = 390,092.90
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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.