Finding the Fourth Proportional to 286,589.44, 395,463.36 and 159,244.48
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Solution
The fourth proportional to 286,589.44, 395,463.36 and 159,244.48 is: 219,740.68
Step by Step Solution
- Step 1: Write the proportion equation
286,589.44 : 395,463.36 = 159,244.48 : x - Step 2: Convert to fraction form
286,589.44/395,463.36 = 159,244.48/x - Step 3: Cross multiply
286,589.44x = 395,463.36 × 159,244.48 - Step 4: Simplify right side
286,589.44x = 62,975,357,122.25 - Step 5: Solve for x
x = 62,975,357,122.25/286,589.44 - Step 6: Final answer
x = 219,740.68
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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.