Finding the Fourth Proportional to 216,294.58, 324,331.11 and 115,150.09
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Solution
The fourth proportional to 216,294.58, 324,331.11 and 115,150.09 is: 172,666.17
Step by Step Solution
- Step 1: Write the proportion equation
216,294.58 : 324,331.11 = 115,150.09 : x - Step 2: Convert to fraction form
216,294.58/324,331.11 = 115,150.09/x - Step 3: Cross multiply
216,294.58x = 324,331.11 × 115,150.09 - Step 4: Simplify right side
216,294.58x = 37,346,756,506.30 - Step 5: Solve for x
x = 37,346,756,506.30/216,294.58 - Step 6: Final answer
x = 172,666.17
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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.