Finding the Fourth Proportional to 164,723.92, 247,131.96 and 53,993.68
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Solution
The fourth proportional to 164,723.92, 247,131.96 and 53,993.68 is: 81,005.62
Step by Step Solution
- Step 1: Write the proportion equation
164,723.92 : 247,131.96 = 53,993.68 : x - Step 2: Convert to fraction form
164,723.92/247,131.96 = 53,993.68/x - Step 3: Cross multiply
164,723.92x = 247,131.96 × 53,993.68 - Step 4: Simplify right side
164,723.92x = 13,343,563,966.01 - Step 5: Solve for x
x = 13,343,563,966.01/164,723.92 - Step 6: Final answer
x = 81,005.62
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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.