Finding the Fourth Proportional to 212,332.58, 293,010.11 and 115,536.81
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Solution
The fourth proportional to 212,332.58, 293,010.11 and 115,536.81 is: 159,435.98
Step by Step Solution
- Step 1: Write the proportion equation
212,332.58 : 293,010.11 = 115,536.81 : x - Step 2: Convert to fraction form
212,332.58/293,010.11 = 115,536.81/x - Step 3: Cross multiply
212,332.58x = 293,010.11 × 115,536.81 - Step 4: Simplify right side
212,332.58x = 33,853,453,407.15 - Step 5: Solve for x
x = 33,853,453,407.15/212,332.58 - Step 6: Final answer
x = 159,435.98
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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.