Finding the Fourth Proportional to 374,989.68, 517,472.99 and 213,896.88
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Solution
The fourth proportional to 374,989.68, 517,472.99 and 213,896.88 is: 295,170.41
Step by Step Solution
- Step 1: Write the proportion equation
374,989.68 : 517,472.99 = 213,896.88 : x - Step 2: Convert to fraction form
374,989.68/517,472.99 = 213,896.88/x - Step 3: Cross multiply
374,989.68x = 517,472.99 × 213,896.88 - Step 4: Simplify right side
374,989.68x = 110,685,858,045.27 - Step 5: Solve for x
x = 110,685,858,045.27/374,989.68 - Step 6: Final answer
x = 295,170.41
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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.