Finding the Fourth Proportional to 144,220.68, 215,905.05 and 106,530.48
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Solution
The fourth proportional to 144,220.68, 215,905.05 and 106,530.48 is: 159,481.07
Step by Step Solution
- Step 1: Write the proportion equation
144,220.68 : 215,905.05 = 106,530.48 : x - Step 2: Convert to fraction form
144,220.68/215,905.05 = 106,530.48/x - Step 3: Cross multiply
144,220.68x = 215,905.05 × 106,530.48 - Step 4: Simplify right side
144,220.68x = 23,000,468,610.92 - Step 5: Solve for x
x = 23,000,468,610.92/144,220.68 - Step 6: Final answer
x = 159,481.07
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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.