Finding the Fourth Proportional to 215,233.68, 322,849.44 and 55,309.44
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Solution
The fourth proportional to 215,233.68, 322,849.44 and 55,309.44 is: 82,963.88
Step by Step Solution
- Step 1: Write the proportion equation
215,233.68 : 322,849.44 = 55,309.44 : x - Step 2: Convert to fraction form
215,233.68/322,849.44 = 55,309.44/x - Step 3: Cross multiply
215,233.68x = 322,849.44 × 55,309.44 - Step 4: Simplify right side
215,233.68x = 17,856,621,730.71 - Step 5: Solve for x
x = 17,856,621,730.71/215,233.68 - Step 6: Final answer
x = 82,963.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.