Finding the Fourth Proportional to 153,559.86, 212,043.20 and 96,295.09
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Solution
The fourth proportional to 153,559.86, 212,043.20 and 96,295.09 is: 132,969.12
Step by Step Solution
- Step 1: Write the proportion equation
153,559.86 : 212,043.20 = 96,295.09 : x - Step 2: Convert to fraction form
153,559.86/212,043.20 = 96,295.09/x - Step 3: Cross multiply
153,559.86x = 212,043.20 × 96,295.09 - Step 4: Simplify right side
153,559.86x = 20,418,719,659.98 - Step 5: Solve for x
x = 20,418,719,659.98/153,559.86 - Step 6: Final answer
x = 132,969.12
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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.