Finding the Fourth Proportional to 194,386.10, 268,161.08 and 113,763.68
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Solution
The fourth proportional to 194,386.10, 268,161.08 and 113,763.68 is: 156,940.19
Step by Step Solution
- Step 1: Write the proportion equation
194,386.10 : 268,161.08 = 113,763.68 : x - Step 2: Convert to fraction form
194,386.10/268,161.08 = 113,763.68/x - Step 3: Cross multiply
194,386.10x = 268,161.08 × 113,763.68 - Step 4: Simplify right side
194,386.10x = 30,506,991,293.57 - Step 5: Solve for x
x = 30,506,991,293.57/194,386.10 - Step 6: Final answer
x = 156,940.19
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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.