Finding the Fourth Proportional to 219,678.07, 303,168.81 and 124,193.65
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Solution
The fourth proportional to 219,678.07, 303,168.81 and 124,193.65 is: 171,394.63
Step by Step Solution
- Step 1: Write the proportion equation
219,678.07 : 303,168.81 = 124,193.65 : x - Step 2: Convert to fraction form
219,678.07/303,168.81 = 124,193.65/x - Step 3: Cross multiply
219,678.07x = 303,168.81 × 124,193.65 - Step 4: Simplify right side
219,678.07x = 37,651,641,080.06 - Step 5: Solve for x
x = 37,651,641,080.06/219,678.07 - Step 6: Final answer
x = 171,394.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.