Finding the Fourth Proportional to 215,964.99, 323,998.52 and 97,636.14
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Solution
The fourth proportional to 215,964.99, 323,998.52 and 97,636.14 is: 146,477.28
Step by Step Solution
- Step 1: Write the proportion equation
215,964.99 : 323,998.52 = 97,636.14 : x - Step 2: Convert to fraction form
215,964.99/323,998.52 = 97,636.14/x - Step 3: Cross multiply
215,964.99x = 323,998.52 × 97,636.14 - Step 4: Simplify right side
215,964.99x = 31,633,964,370.33 - Step 5: Solve for x
x = 31,633,964,370.33/215,964.99 - Step 6: Final answer
x = 146,477.28
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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.