Finding the Fourth Proportional to 351,147.28, 484,579.68 and 189,998.80
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Solution
The fourth proportional to 351,147.28, 484,579.68 and 189,998.80 is: 262,196.41
Step by Step Solution
- Step 1: Write the proportion equation
351,147.28 : 484,579.68 = 189,998.80 : x - Step 2: Convert to fraction form
351,147.28/484,579.68 = 189,998.80/x - Step 3: Cross multiply
351,147.28x = 484,579.68 × 189,998.80 - Step 4: Simplify right side
351,147.28x = 92,069,557,704.38 - Step 5: Solve for x
x = 92,069,557,704.38/351,147.28 - Step 6: Final answer
x = 262,196.41
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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.