Finding the Fourth Proportional to 190,772.99, 263,337.42 and 163,807.19
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Solution
The fourth proportional to 190,772.99, 263,337.42 and 163,807.19 is: 226,114.62
Step by Step Solution
- Step 1: Write the proportion equation
190,772.99 : 263,337.42 = 163,807.19 : x - Step 2: Convert to fraction form
190,772.99/263,337.42 = 163,807.19/x - Step 3: Cross multiply
190,772.99x = 263,337.42 × 163,807.19 - Step 4: Simplify right side
190,772.99x = 43,136,562,792.05 - Step 5: Solve for x
x = 43,136,562,792.05/190,772.99 - Step 6: Final answer
x = 226,114.62
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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.