Finding the Fourth Proportional to 228,772.80, 343,353.60 and 102,607.20
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Solution
The fourth proportional to 228,772.80, 343,353.60 and 102,607.20 is: 153,997.99
Step by Step Solution
- Step 1: Write the proportion equation
228,772.80 : 343,353.60 = 102,607.20 : x - Step 2: Convert to fraction form
228,772.80/343,353.60 = 102,607.20/x - Step 3: Cross multiply
228,772.80x = 343,353.60 × 102,607.20 - Step 4: Simplify right side
228,772.80x = 35,230,551,505.92 - Step 5: Solve for x
x = 35,230,551,505.92/228,772.80 - Step 6: Final answer
x = 153,997.99
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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.