Finding the Fourth Proportional to 318,289.92, 477,645.21 and 149,858.42
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Solution
The fourth proportional to 318,289.92, 477,645.21 and 149,858.42 is: 224,886.65
Step by Step Solution
- Step 1: Write the proportion equation
318,289.92 : 477,645.21 = 149,858.42 : x - Step 2: Convert to fraction form
318,289.92/477,645.21 = 149,858.42/x - Step 3: Cross multiply
318,289.92x = 477,645.21 × 149,858.42 - Step 4: Simplify right side
318,289.92x = 71,579,154,102.94 - Step 5: Solve for x
x = 71,579,154,102.94/318,289.92 - Step 6: Final answer
x = 224,886.65
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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.