Finding the Fourth Proportional to 306,696.53, 423,190.65 and 170,727.02
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Solution
The fourth proportional to 306,696.53, 423,190.65 and 170,727.02 is: 235,575.14
Step by Step Solution
- Step 1: Write the proportion equation
306,696.53 : 423,190.65 = 170,727.02 : x - Step 2: Convert to fraction form
306,696.53/423,190.65 = 170,727.02/x - Step 3: Cross multiply
306,696.53x = 423,190.65 × 170,727.02 - Step 4: Simplify right side
306,696.53x = 72,250,077,007.21 - Step 5: Solve for x
x = 72,250,077,007.21/306,696.53 - Step 6: Final answer
x = 235,575.14
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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.