Finding the Fourth Proportional to 194,850.30, 292,214.70 and 76,557.90
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Solution
The fourth proportional to 194,850.30, 292,214.70 and 76,557.90 is: 114,812.98
Step by Step Solution
- Step 1: Write the proportion equation
194,850.30 : 292,214.70 = 76,557.90 : x - Step 2: Convert to fraction form
194,850.30/292,214.70 = 76,557.90/x - Step 3: Cross multiply
194,850.30x = 292,214.70 × 76,557.90 - Step 4: Simplify right side
194,850.30x = 22,371,343,781.13 - Step 5: Solve for x
x = 22,371,343,781.13/194,850.30 - Step 6: Final answer
x = 114,812.98
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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.