Finding the Fourth Proportional to 192,689.48, 288,660.15 and 141,996.48
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Solution
The fourth proportional to 192,689.48, 288,660.15 and 141,996.48 is: 212,719.07
Step by Step Solution
- Step 1: Write the proportion equation
192,689.48 : 288,660.15 = 141,996.48 : x - Step 2: Convert to fraction form
192,689.48/288,660.15 = 141,996.48/x - Step 3: Cross multiply
192,689.48x = 288,660.15 × 141,996.48 - Step 4: Simplify right side
192,689.48x = 40,988,725,216.27 - Step 5: Solve for x
x = 40,988,725,216.27/192,689.48 - Step 6: Final answer
x = 212,719.07
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1.5x scale
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.