Finding the Fourth Proportional to 313,569.19, 432,729.17 and 170,331.49
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Solution
The fourth proportional to 313,569.19, 432,729.17 and 170,331.49 is: 235,059.46
Step by Step Solution
- Step 1: Write the proportion equation
313,569.19 : 432,729.17 = 170,331.49 : x - Step 2: Convert to fraction form
313,569.19/432,729.17 = 170,331.49/x - Step 3: Cross multiply
313,569.19x = 432,729.17 × 170,331.49 - Step 4: Simplify right side
313,569.19x = 73,707,404,292.56 - Step 5: Solve for x
x = 73,707,404,292.56/313,569.19 - Step 6: Final answer
x = 235,059.46
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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.