Finding the Fourth Proportional to 236,433.71, 326,278.04 and 129,003.68
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Solution
The fourth proportional to 236,433.71, 326,278.04 and 129,003.68 is: 178,024.81
Step by Step Solution
- Step 1: Write the proportion equation
236,433.71 : 326,278.04 = 129,003.68 : x - Step 2: Convert to fraction form
236,433.71/326,278.04 = 129,003.68/x - Step 3: Cross multiply
236,433.71x = 326,278.04 × 129,003.68 - Step 4: Simplify right side
236,433.71x = 42,091,065,586.78 - Step 5: Solve for x
x = 42,091,065,586.78/236,433.71 - Step 6: Final answer
x = 178,024.81
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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.