Finding the Fourth Proportional to 313,560.96, 432,717.32 and 170,323.80
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Solution
The fourth proportional to 313,560.96, 432,717.32 and 170,323.80 is: 235,048.58
Step by Step Solution
- Step 1: Write the proportion equation
313,560.96 : 432,717.32 = 170,323.80 : x - Step 2: Convert to fraction form
313,560.96/432,717.32 = 170,323.80/x - Step 3: Cross multiply
313,560.96x = 432,717.32 × 170,323.80 - Step 4: Simplify right side
313,560.96x = 73,702,058,268.22 - Step 5: Solve for x
x = 73,702,058,268.22/313,560.96 - Step 6: Final answer
x = 235,048.58
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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.