Finding the Fourth Proportional to 228,946.80, 343,420.20 and 195,121.20
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Solution
The fourth proportional to 228,946.80, 343,420.20 and 195,121.20 is: 292,681.80
Step by Step Solution
- Step 1: Write the proportion equation
228,946.80 : 343,420.20 = 195,121.20 : x - Step 2: Convert to fraction form
228,946.80/343,420.20 = 195,121.20/x - Step 3: Cross multiply
228,946.80x = 343,420.20 × 195,121.20 - Step 4: Simplify right side
228,946.80x = 67,008,561,528.24 - Step 5: Solve for x
x = 67,008,561,528.24/228,946.80 - Step 6: Final answer
x = 292,681.80
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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.