Finding the Fourth Proportional to 374,204.70, 561,197.70 and 134,290.80
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Solution
The fourth proportional to 374,204.70, 561,197.70 and 134,290.80 is: 201,396.96
Step by Step Solution
- Step 1: Write the proportion equation
374,204.70 : 561,197.70 = 134,290.80 : x - Step 2: Convert to fraction form
374,204.70/561,197.70 = 134,290.80/x - Step 3: Cross multiply
374,204.70x = 561,197.70 × 134,290.80 - Step 4: Simplify right side
374,204.70x = 75,363,688,091.16 - Step 5: Solve for x
x = 75,363,688,091.16/374,204.70 - Step 6: Final answer
x = 201,396.96
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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.