Finding the Fourth Proportional to 286,575.68, 395,476.76 and 179,207.96
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Solution
The fourth proportional to 286,575.68, 395,476.76 and 179,207.96 is: 247,308.43
Step by Step Solution
- Step 1: Write the proportion equation
286,575.68 : 395,476.76 = 179,207.96 : x - Step 2: Convert to fraction form
286,575.68/395,476.76 = 179,207.96/x - Step 3: Cross multiply
286,575.68x = 395,476.76 × 179,207.96 - Step 4: Simplify right side
286,575.68x = 70,872,582,490.97 - Step 5: Solve for x
x = 70,872,582,490.97/286,575.68 - Step 6: Final answer
x = 247,308.43
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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.