Finding the Fourth Proportional to 318,207.64, 477,311.28 and 93,569.94
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Solution
The fourth proportional to 318,207.64, 477,311.28 and 93,569.94 is: 140,354.86
Step by Step Solution
- Step 1: Write the proportion equation
318,207.64 : 477,311.28 = 93,569.94 : x - Step 2: Convert to fraction form
318,207.64/477,311.28 = 93,569.94/x - Step 3: Cross multiply
318,207.64x = 477,311.28 × 93,569.94 - Step 4: Simplify right side
318,207.64x = 44,661,987,830.92 - Step 5: Solve for x
x = 44,661,987,830.92/318,207.64 - Step 6: Final answer
x = 140,354.86
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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.