Finding the Fourth Proportional to 212,525.10, 293,205.42 and 121,848.84
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Solution
The fourth proportional to 212,525.10, 293,205.42 and 121,848.84 is: 168,105.98
Step by Step Solution
- Step 1: Write the proportion equation
212,525.10 : 293,205.42 = 121,848.84 : x - Step 2: Convert to fraction form
212,525.10/293,205.42 = 121,848.84/x - Step 3: Cross multiply
212,525.10x = 293,205.42 × 121,848.84 - Step 4: Simplify right side
212,525.10x = 35,726,740,308.71 - Step 5: Solve for x
x = 35,726,740,308.71/212,525.10 - Step 6: Final answer
x = 168,105.98
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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.