Finding the Fourth Proportional to 343,680.14, 515,555.04 and 119,040.14
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Solution
The fourth proportional to 343,680.14, 515,555.04 and 119,040.14 is: 178,572.27
Step by Step Solution
- Step 1: Write the proportion equation
343,680.14 : 515,555.04 = 119,040.14 : x - Step 2: Convert to fraction form
343,680.14/515,555.04 = 119,040.14/x - Step 3: Cross multiply
343,680.14x = 515,555.04 × 119,040.14 - Step 4: Simplify right side
343,680.14x = 61,371,744,139.31 - Step 5: Solve for x
x = 61,371,744,139.31/343,680.14 - Step 6: Final answer
x = 178,572.27
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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.