Finding the Fourth Proportional to 374,440.57, 561,882.80 and 137,949.19
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Solution
The fourth proportional to 374,440.57, 561,882.80 and 137,949.19 is: 207,005.55
Step by Step Solution
- Step 1: Write the proportion equation
374,440.57 : 561,882.80 = 137,949.19 : x - Step 2: Convert to fraction form
374,440.57/561,882.80 = 137,949.19/x - Step 3: Cross multiply
374,440.57x = 561,882.80 × 137,949.19 - Step 4: Simplify right side
374,440.57x = 77,511,276,445.19 - Step 5: Solve for x
x = 77,511,276,445.19/374,440.57 - Step 6: Final answer
x = 207,005.55
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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.