Finding the Fourth Proportional to 144,274.48, 199,154.35 and 129,140.44
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Solution
The fourth proportional to 144,274.48, 199,154.35 and 129,140.44 is: 178,263.54
Step by Step Solution
- Step 1: Write the proportion equation
144,274.48 : 199,154.35 = 129,140.44 : x - Step 2: Convert to fraction form
144,274.48/199,154.35 = 129,140.44/x - Step 3: Cross multiply
144,274.48x = 199,154.35 × 129,140.44 - Step 4: Simplify right side
144,274.48x = 25,718,880,444.28 - Step 5: Solve for x
x = 25,718,880,444.28/144,274.48 - Step 6: Final answer
x = 178,263.54
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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.