Finding the Fourth Proportional to 168,939.68, 233,135.76 and 97,292.96
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Solution
The fourth proportional to 168,939.68, 233,135.76 and 97,292.96 is: 134,263.71
Step by Step Solution
- Step 1: Write the proportion equation
168,939.68 : 233,135.76 = 97,292.96 : x - Step 2: Convert to fraction form
168,939.68/233,135.76 = 97,292.96/x - Step 3: Cross multiply
168,939.68x = 233,135.76 × 97,292.96 - Step 4: Simplify right side
168,939.68x = 22,682,468,172.25 - Step 5: Solve for x
x = 22,682,468,172.25/168,939.68 - Step 6: Final answer
x = 134,263.71
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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.