Finding the Fourth Proportional to 300,621.96, 414,926.37 and 187,422.84
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Solution
The fourth proportional to 300,621.96, 414,926.37 and 187,422.84 is: 258,685.95
Step by Step Solution
- Step 1: Write the proportion equation
300,621.96 : 414,926.37 = 187,422.84 : x - Step 2: Convert to fraction form
300,621.96/414,926.37 = 187,422.84/x - Step 3: Cross multiply
300,621.96x = 414,926.37 × 187,422.84 - Step 4: Simplify right side
300,621.96x = 77,766,678,656.29 - Step 5: Solve for x
x = 77,766,678,656.29/300,621.96 - Step 6: Final answer
x = 258,685.95
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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.