Finding the Fourth Proportional to 250,160.04, 345,214.17 and 142,728.12
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Solution
The fourth proportional to 250,160.04, 345,214.17 and 142,728.12 is: 196,960.99
Step by Step Solution
- Step 1: Write the proportion equation
250,160.04 : 345,214.17 = 142,728.12 : x - Step 2: Convert to fraction form
250,160.04/345,214.17 = 142,728.12/x - Step 3: Cross multiply
250,160.04x = 345,214.17 × 142,728.12 - Step 4: Simplify right side
250,160.04x = 49,271,769,481.46 - Step 5: Solve for x
x = 49,271,769,481.46/250,160.04 - Step 6: Final answer
x = 196,960.99
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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.