Finding the Fourth Proportional to 215,148.14, 296,900.22 and 119,652.80
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Solution
The fourth proportional to 215,148.14, 296,900.22 and 119,652.80 is: 165,118.52
Step by Step Solution
- Step 1: Write the proportion equation
215,148.14 : 296,900.22 = 119,652.80 : x - Step 2: Convert to fraction form
215,148.14/296,900.22 = 119,652.80/x - Step 3: Cross multiply
215,148.14x = 296,900.22 × 119,652.80 - Step 4: Simplify right side
215,148.14x = 35,524,942,643.62 - Step 5: Solve for x
x = 35,524,942,643.62/215,148.14 - Step 6: Final answer
x = 165,118.52
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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.