Finding the Fourth Proportional to 212,539.68, 293,306.68 and 117,046.76
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Solution
The fourth proportional to 212,539.68, 293,306.68 and 117,046.76 is: 161,525.59
Step by Step Solution
- Step 1: Write the proportion equation
212,539.68 : 293,306.68 = 117,046.76 : x - Step 2: Convert to fraction form
212,539.68/293,306.68 = 117,046.76/x - Step 3: Cross multiply
212,539.68x = 293,306.68 × 117,046.76 - Step 4: Simplify right side
212,539.68x = 34,330,596,580.36 - Step 5: Solve for x
x = 34,330,596,580.36/212,539.68 - Step 6: Final answer
x = 161,525.59
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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.