Finding the Fourth Proportional to 212,798.07, 293,663.39 and 117,308.19
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Solution
The fourth proportional to 212,798.07, 293,663.39 and 117,308.19 is: 161,886.43
Step by Step Solution
- Step 1: Write the proportion equation
212,798.07 : 293,663.39 = 117,308.19 : x - Step 2: Convert to fraction form
212,798.07/293,663.39 = 117,308.19/x - Step 3: Cross multiply
212,798.07x = 293,663.39 × 117,308.19 - Step 4: Simplify right side
212,798.07x = 34,449,120,750.16 - Step 5: Solve for x
x = 34,449,120,750.16/212,798.07 - Step 6: Final answer
x = 161,886.43
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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.