Finding the Fourth Proportional to 374,605.92, 516,939.84 and 213,495.84
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Solution
The fourth proportional to 374,605.92, 516,939.84 and 213,495.84 is: 294,614.95
Step by Step Solution
- Step 1: Write the proportion equation
374,605.92 : 516,939.84 = 213,495.84 : x - Step 2: Convert to fraction form
374,605.92/516,939.84 = 213,495.84/x - Step 3: Cross multiply
374,605.92x = 516,939.84 × 213,495.84 - Step 4: Simplify right side
374,605.92x = 110,364,505,370.27 - Step 5: Solve for x
x = 110,364,505,370.27/374,605.92 - Step 6: Final answer
x = 294,614.95
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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.