Finding the Fourth Proportional to 165,093.92, 247,221.84 and 138,369.68
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Solution
The fourth proportional to 165,093.92, 247,221.84 and 138,369.68 is: 207,203.31
Step by Step Solution
- Step 1: Write the proportion equation
165,093.92 : 247,221.84 = 138,369.68 : x - Step 2: Convert to fraction form
165,093.92/247,221.84 = 138,369.68/x - Step 3: Cross multiply
165,093.92x = 247,221.84 × 138,369.68 - Step 4: Simplify right side
165,093.92x = 34,208,006,889.81 - Step 5: Solve for x
x = 34,208,006,889.81/165,093.92 - Step 6: Final answer
x = 207,203.31
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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.