Finding the Fourth Proportional to 374,536.92, 561,861.40 and 137,861.58
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Solution
The fourth proportional to 374,536.92, 561,861.40 and 137,861.58 is: 206,812.99
Step by Step Solution
- Step 1: Write the proportion equation
374,536.92 : 561,861.40 = 137,861.58 : x - Step 2: Convert to fraction form
374,536.92/561,861.40 = 137,861.58/x - Step 3: Cross multiply
374,536.92x = 561,861.40 × 137,861.58 - Step 4: Simplify right side
374,536.92x = 77,459,100,345.01 - Step 5: Solve for x
x = 77,459,100,345.01/374,536.92 - Step 6: Final answer
x = 206,812.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.