Finding the Fourth Proportional to 212,233.73, 292,797.68 and 135,735.21
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Solution
The fourth proportional to 212,233.73, 292,797.68 and 135,735.21 is: 187,260.31
Step by Step Solution
- Step 1: Write the proportion equation
212,233.73 : 292,797.68 = 135,735.21 : x - Step 2: Convert to fraction form
212,233.73/292,797.68 = 135,735.21/x - Step 3: Cross multiply
212,233.73x = 292,797.68 × 135,735.21 - Step 4: Simplify right side
212,233.73x = 39,742,953,903.64 - Step 5: Solve for x
x = 39,742,953,903.64/212,233.73 - Step 6: Final answer
x = 187,260.31
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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.