Finding the Fourth Proportional to 212,739.77, 293,579.92 and 117,246.26
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Solution
The fourth proportional to 212,739.77, 293,579.92 and 117,246.26 is: 161,799.31
Step by Step Solution
- Step 1: Write the proportion equation
212,739.77 : 293,579.92 = 117,246.26 : x - Step 2: Convert to fraction form
212,739.77/293,579.92 = 117,246.26/x - Step 3: Cross multiply
212,739.77x = 293,579.92 × 117,246.26 - Step 4: Simplify right side
212,739.77x = 34,421,147,631.10 - Step 5: Solve for x
x = 34,421,147,631.10/212,739.77 - Step 6: Final answer
x = 161,799.31
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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.