Finding the Fourth Proportional to 165,722.14, 228,688.68 and 94,092.76
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Solution
The fourth proportional to 165,722.14, 228,688.68 and 94,092.76 is: 129,843.54
Step by Step Solution
- Step 1: Write the proportion equation
165,722.14 : 228,688.68 = 94,092.76 : x - Step 2: Convert to fraction form
165,722.14/228,688.68 = 94,092.76/x - Step 3: Cross multiply
165,722.14x = 228,688.68 × 94,092.76 - Step 4: Simplify right side
165,722.14x = 21,517,949,081.96 - Step 5: Solve for x
x = 21,517,949,081.96/165,722.14 - Step 6: Final answer
x = 129,843.54
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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.