Finding the Fourth Proportional to 191,405.05, 264,136.36 and 106,522.12
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Solution
The fourth proportional to 191,405.05, 264,136.36 and 106,522.12 is: 146,999.07
Step by Step Solution
- Step 1: Write the proportion equation
191,405.05 : 264,136.36 = 106,522.12 : x - Step 2: Convert to fraction form
191,405.05/264,136.36 = 106,522.12/x - Step 3: Cross multiply
191,405.05x = 264,136.36 × 106,522.12 - Step 4: Simplify right side
191,405.05x = 28,136,365,036.28 - Step 5: Solve for x
x = 28,136,365,036.28/191,405.05 - Step 6: Final answer
x = 146,999.07
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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.