Finding the Fourth Proportional to 146,777.63, 202,553.12 and 79,709.63
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Solution
The fourth proportional to 146,777.63, 202,553.12 and 79,709.63 is: 109,999.28
Step by Step Solution
- Step 1: Write the proportion equation
146,777.63 : 202,553.12 = 79,709.63 : x - Step 2: Convert to fraction form
146,777.63/202,553.12 = 79,709.63/x - Step 3: Cross multiply
146,777.63x = 202,553.12 × 79,709.63 - Step 4: Simplify right side
146,777.63x = 16,145,433,437.05 - Step 5: Solve for x
x = 16,145,433,437.05/146,777.63 - Step 6: Final answer
x = 109,999.28
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1.5x scale
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.