Finding the Fourth Proportional to 212,770.04, 293,618.65 and 115,974.79
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Solution
The fourth proportional to 212,770.04, 293,618.65 and 115,974.79 is: 160,043.02
Step by Step Solution
- Step 1: Write the proportion equation
212,770.04 : 293,618.65 = 115,974.79 : x - Step 2: Convert to fraction form
212,770.04/293,618.65 = 115,974.79/x - Step 3: Cross multiply
212,770.04x = 293,618.65 × 115,974.79 - Step 4: Simplify right side
212,770.04x = 34,052,360,141.12 - Step 5: Solve for x
x = 34,052,360,141.12/212,770.04 - Step 6: Final answer
x = 160,043.02
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1.5x scale
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.