Finding the Fourth Proportional to 215,303.66, 322,988.30 and 110,087.09
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Solution
The fourth proportional to 215,303.66, 322,988.30 and 110,087.09 is: 165,147.41
Step by Step Solution
- Step 1: Write the proportion equation
215,303.66 : 322,988.30 = 110,087.09 : x - Step 2: Convert to fraction form
215,303.66/322,988.30 = 110,087.09/x - Step 3: Cross multiply
215,303.66x = 322,988.30 × 110,087.09 - Step 4: Simplify right side
215,303.66x = 35,556,842,051.05 - Step 5: Solve for x
x = 35,556,842,051.05/215,303.66 - Step 6: Final answer
x = 165,147.41
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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.