Finding the Fourth Proportional to 282,249.44, 389,505.48 and 154,926.08
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Solution
The fourth proportional to 282,249.44, 389,505.48 and 154,926.08 is: 213,798.68
Step by Step Solution
- Step 1: Write the proportion equation
282,249.44 : 389,505.48 = 154,926.08 : x - Step 2: Convert to fraction form
282,249.44/389,505.48 = 154,926.08/x - Step 3: Cross multiply
282,249.44x = 389,505.48 × 154,926.08 - Step 4: Simplify right side
282,249.44x = 60,344,557,154.92 - Step 5: Solve for x
x = 60,344,557,154.92/282,249.44 - Step 6: Final answer
x = 213,798.68
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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.