Finding the Fourth Proportional to 154,765.63, 213,614.51 and 94,369.53
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Solution
The fourth proportional to 154,765.63, 213,614.51 and 94,369.53 is: 130,253.09
Step by Step Solution
- Step 1: Write the proportion equation
154,765.63 : 213,614.51 = 94,369.53 : x - Step 2: Convert to fraction form
154,765.63/213,614.51 = 94,369.53/x - Step 3: Cross multiply
154,765.63x = 213,614.51 × 94,369.53 - Step 4: Simplify right side
154,765.63x = 20,158,700,909.88 - Step 5: Solve for x
x = 20,158,700,909.88/154,765.63 - Step 6: Final answer
x = 130,253.09
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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.