Finding the Fourth Proportional to 224,915.20, 310,377.21 and 122,940.92
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Solution
The fourth proportional to 224,915.20, 310,377.21 and 122,940.92 is: 169,655.32
Step by Step Solution
- Step 1: Write the proportion equation
224,915.20 : 310,377.21 = 122,940.92 : x - Step 2: Convert to fraction form
224,915.20/310,377.21 = 122,940.92/x - Step 3: Cross multiply
224,915.20x = 310,377.21 × 122,940.92 - Step 4: Simplify right side
224,915.20x = 38,158,059,744.43 - Step 5: Solve for x
x = 38,158,059,744.43/224,915.20 - Step 6: Final answer
x = 169,655.32
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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.