Finding the Fourth Proportional to 84,614.63, 126,980.26 and 29,210.63
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Solution
The fourth proportional to 84,614.63, 126,980.26 and 29,210.63 is: 43,836.07
Step by Step Solution
- Step 1: Write the proportion equation
84,614.63 : 126,980.26 = 29,210.63 : x - Step 2: Convert to fraction form
84,614.63/126,980.26 = 29,210.63/x - Step 3: Cross multiply
84,614.63x = 126,980.26 × 29,210.63 - Step 4: Simplify right side
84,614.63x = 3,709,172,684.24 - Step 5: Solve for x
x = 3,709,172,684.24/84,614.63 - Step 6: Final answer
x = 43,836.07
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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.