Finding the Fourth Proportional to 313,570.99, 432,727.63 and 170,331.14
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Solution
The fourth proportional to 313,570.99, 432,727.63 and 170,331.14 is: 235,056.79
Step by Step Solution
- Step 1: Write the proportion equation
313,570.99 : 432,727.63 = 170,331.14 : x - Step 2: Convert to fraction form
313,570.99/432,727.63 = 170,331.14/x - Step 3: Cross multiply
313,570.99x = 432,727.63 × 170,331.14 - Step 4: Simplify right side
313,570.99x = 73,706,990,527.40 - Step 5: Solve for x
x = 73,706,990,527.40/313,570.99 - Step 6: Final answer
x = 235,056.79
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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.