Finding the Fourth Proportional to 318,134.70, 477,205.35 and 93,499.14
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Solution
The fourth proportional to 318,134.70, 477,205.35 and 93,499.14 is: 140,249.68
Step by Step Solution
- Step 1: Write the proportion equation
318,134.70 : 477,205.35 = 93,499.14 : x - Step 2: Convert to fraction form
318,134.70/477,205.35 = 93,499.14/x - Step 3: Cross multiply
318,134.70x = 477,205.35 × 93,499.14 - Step 4: Simplify right side
318,134.70x = 44,618,289,828.40 - Step 5: Solve for x
x = 44,618,289,828.40/318,134.70 - Step 6: Final answer
x = 140,249.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.