Finding the Fourth Proportional to 313,526.92, 432,670.26 and 170,288.44
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Solution
The fourth proportional to 313,526.92, 432,670.26 and 170,288.44 is: 234,999.74
Step by Step Solution
- Step 1: Write the proportion equation
313,526.92 : 432,670.26 = 170,288.44 : x - Step 2: Convert to fraction form
313,526.92/432,670.26 = 170,288.44/x - Step 3: Cross multiply
313,526.92x = 432,670.26 × 170,288.44 - Step 4: Simplify right side
313,526.92x = 73,678,743,609.79 - Step 5: Solve for x
x = 73,678,743,609.79/313,526.92 - Step 6: Final answer
x = 234,999.74
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1.5x scale
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.