Finding the Fourth Proportional to 212,449.05, 293,188.05 and 116,964.63
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Solution
The fourth proportional to 212,449.05, 293,188.05 and 116,964.63 is: 161,415.79
Step by Step Solution
- Step 1: Write the proportion equation
212,449.05 : 293,188.05 = 116,964.63 : x - Step 2: Convert to fraction form
212,449.05/293,188.05 = 116,964.63/x - Step 3: Cross multiply
212,449.05x = 293,188.05 × 116,964.63 - Step 4: Simplify right side
212,449.05x = 34,292,631,788.67 - Step 5: Solve for x
x = 34,292,631,788.67/212,449.05 - Step 6: Final answer
x = 161,415.79
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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.