Finding the Fourth Proportional to 213,135.19, 294,133.68 and 116,344.78
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Solution
The fourth proportional to 213,135.19, 294,133.68 and 116,344.78 is: 160,559.68
Step by Step Solution
- Step 1: Write the proportion equation
213,135.19 : 294,133.68 = 116,344.78 : x - Step 2: Convert to fraction form
213,135.19/294,133.68 = 116,344.78/x - Step 3: Cross multiply
213,135.19x = 294,133.68 × 116,344.78 - Step 4: Simplify right side
213,135.19x = 34,220,917,263.99 - Step 5: Solve for x
x = 34,220,917,263.99/213,135.19 - Step 6: Final answer
x = 160,559.68
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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.