Finding the Fourth Proportional to 374,208.70, 561,203.70 and 134,294.80
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Solution
The fourth proportional to 374,208.70, 561,203.70 and 134,294.80 is: 201,402.96
Step by Step Solution
- Step 1: Write the proportion equation
374,208.70 : 561,203.70 = 134,294.80 : x - Step 2: Convert to fraction form
374,208.70/561,203.70 = 134,294.80/x - Step 3: Cross multiply
374,208.70x = 561,203.70 × 134,294.80 - Step 4: Simplify right side
374,208.70x = 75,366,738,650.76 - Step 5: Solve for x
x = 75,366,738,650.76/374,208.70 - Step 6: Final answer
x = 201,402.96
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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.