Finding the Fourth Proportional to 379,703.96, 523,992.36 and 207,633.08
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Solution
The fourth proportional to 379,703.96, 523,992.36 and 207,633.08 is: 286,534.14
Step by Step Solution
- Step 1: Write the proportion equation
379,703.96 : 523,992.36 = 207,633.08 : x - Step 2: Convert to fraction form
379,703.96/523,992.36 = 207,633.08/x - Step 3: Cross multiply
379,703.96x = 523,992.36 × 207,633.08 - Step 4: Simplify right side
379,703.96x = 108,798,147,603.27 - Step 5: Solve for x
x = 108,798,147,603.27/379,703.96 - Step 6: Final answer
x = 286,534.14
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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.