Finding the Fourth Proportional to 215,579.34, 323,343.50 and 57,818.88
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Solution
The fourth proportional to 215,579.34, 323,343.50 and 57,818.88 is: 86,721.48
Step by Step Solution
- Step 1: Write the proportion equation
215,579.34 : 323,343.50 = 57,818.88 : x - Step 2: Convert to fraction form
215,579.34/323,343.50 = 57,818.88/x - Step 3: Cross multiply
215,579.34x = 323,343.50 × 57,818.88 - Step 4: Simplify right side
215,579.34x = 18,695,358,736.19 - Step 5: Solve for x
x = 18,695,358,736.19/215,579.34 - Step 6: Final answer
x = 86,721.48
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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.