Finding the Fourth Proportional to 146,136.95, 219,213.93 and 40,964.12
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Solution
The fourth proportional to 146,136.95, 219,213.93 and 40,964.12 is: 61,448.56
Step by Step Solution
- Step 1: Write the proportion equation
146,136.95 : 219,213.93 = 40,964.12 : x - Step 2: Convert to fraction form
146,136.95/219,213.93 = 40,964.12/x - Step 3: Cross multiply
146,136.95x = 219,213.93 × 40,964.12 - Step 4: Simplify right side
146,136.95x = 8,979,905,734.19 - Step 5: Solve for x
x = 8,979,905,734.19/146,136.95 - Step 6: Final answer
x = 61,448.56
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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.