Finding the Fourth Proportional to 146,977.68, 202,828.20 and 79,909.68
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Solution
The fourth proportional to 146,977.68, 202,828.20 and 79,909.68 is: 110,274.82
Step by Step Solution
- Step 1: Write the proportion equation
146,977.68 : 202,828.20 = 79,909.68 : x - Step 2: Convert to fraction form
146,977.68/202,828.20 = 79,909.68/x - Step 3: Cross multiply
146,977.68x = 202,828.20 × 79,909.68 - Step 4: Simplify right side
146,977.68x = 16,207,936,556.98 - Step 5: Solve for x
x = 16,207,936,556.98/146,977.68 - Step 6: Final answer
x = 110,274.82
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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.