Finding the Fourth Proportional to 374,974.40, 517,457.76 and 205,205.12
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Solution
The fourth proportional to 374,974.40, 517,457.76 and 205,205.12 is: 283,179.28
Step by Step Solution
- Step 1: Write the proportion equation
374,974.40 : 517,457.76 = 205,205.12 : x - Step 2: Convert to fraction form
374,974.40/517,457.76 = 205,205.12/x - Step 3: Cross multiply
374,974.40x = 517,457.76 × 205,205.12 - Step 4: Simplify right side
374,974.40x = 106,184,981,735.73 - Step 5: Solve for x
x = 106,184,981,735.73/374,974.40 - Step 6: Final answer
x = 283,179.28
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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.