Finding the Fourth Proportional to 194,465.80, 291,261.30 and 115,733.80
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Solution
The fourth proportional to 194,465.80, 291,261.30 and 115,733.80 is: 173,340.39
Step by Step Solution
- Step 1: Write the proportion equation
194,465.80 : 291,261.30 = 115,733.80 : x - Step 2: Convert to fraction form
194,465.80/291,261.30 = 115,733.80/x - Step 3: Cross multiply
194,465.80x = 291,261.30 × 115,733.80 - Step 4: Simplify right side
194,465.80x = 33,708,777,041.94 - Step 5: Solve for x
x = 33,708,777,041.94/194,465.80 - Step 6: Final answer
x = 173,340.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.