Finding the Fourth Proportional to 313,738.92, 432,962.42 and 170,498.93
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Solution
The fourth proportional to 313,738.92, 432,962.42 and 170,498.93 is: 235,289.99
Step by Step Solution
- Step 1: Write the proportion equation
313,738.92 : 432,962.42 = 170,498.93 : x - Step 2: Convert to fraction form
313,738.92/432,962.42 = 170,498.93/x - Step 3: Cross multiply
313,738.92x = 432,962.42 × 170,498.93 - Step 4: Simplify right side
313,738.92x = 73,819,626,322.90 - Step 5: Solve for x
x = 73,819,626,322.90/313,738.92 - Step 6: Final answer
x = 235,289.99
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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.