Finding the Fourth Proportional to 318,212.08, 477,193.12 and 115,760.08
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Solution
The fourth proportional to 318,212.08, 477,193.12 and 115,760.08 is: 173,594.65
Step by Step Solution
- Step 1: Write the proportion equation
318,212.08 : 477,193.12 = 115,760.08 : x - Step 2: Convert to fraction form
318,212.08/477,193.12 = 115,760.08/x - Step 3: Cross multiply
318,212.08x = 477,193.12 × 115,760.08 - Step 4: Simplify right side
318,212.08x = 55,239,913,746.65 - Step 5: Solve for x
x = 55,239,913,746.65/318,212.08 - Step 6: Final answer
x = 173,594.65
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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.