Finding the Fourth Proportional to 417,543.30, 576,202.20 and 254,140.62
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Solution
The fourth proportional to 417,543.30, 576,202.20 and 254,140.62 is: 350,709.46
Step by Step Solution
- Step 1: Write the proportion equation
417,543.30 : 576,202.20 = 254,140.62 : x - Step 2: Convert to fraction form
417,543.30/576,202.20 = 254,140.62/x - Step 3: Cross multiply
417,543.30x = 576,202.20 × 254,140.62 - Step 4: Simplify right side
417,543.30x = 146,436,384,353.36 - Step 5: Solve for x
x = 146,436,384,353.36/417,543.30 - Step 6: Final answer
x = 350,709.46
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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.