Finding the Fourth Proportional to 192,390.39, 265,326.84 and 120,777.08
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Solution
The fourth proportional to 192,390.39, 265,326.84 and 120,777.08 is: 166,564.45
Step by Step Solution
- Step 1: Write the proportion equation
192,390.39 : 265,326.84 = 120,777.08 : x - Step 2: Convert to fraction form
192,390.39/265,326.84 = 120,777.08/x - Step 3: Cross multiply
192,390.39x = 265,326.84 × 120,777.08 - Step 4: Simplify right side
192,390.39x = 32,045,399,654.19 - Step 5: Solve for x
x = 32,045,399,654.19/192,390.39 - Step 6: Final answer
x = 166,564.45
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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.