Finding the Fourth Proportional to 374,672.09, 517,046.34 and 202,588.85
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Solution
The fourth proportional to 374,672.09, 517,046.34 and 202,588.85 is: 279,571.99
Step by Step Solution
- Step 1: Write the proportion equation
374,672.09 : 517,046.34 = 202,588.85 : x - Step 2: Convert to fraction form
374,672.09/517,046.34 = 202,588.85/x - Step 3: Cross multiply
374,672.09x = 517,046.34 × 202,588.85 - Step 4: Simplify right side
374,672.09x = 104,747,823,417.31 - Step 5: Solve for x
x = 104,747,823,417.31/374,672.09 - Step 6: Final answer
x = 279,571.99
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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.