Finding the Fourth Proportional to 454,328.70, 680,180.85 and 277,181.70
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Solution
The fourth proportional to 454,328.70, 680,180.85 and 277,181.70 is: 414,971.99
Step by Step Solution
- Step 1: Write the proportion equation
454,328.70 : 680,180.85 = 277,181.70 : x - Step 2: Convert to fraction form
454,328.70/680,180.85 = 277,181.70/x - Step 3: Cross multiply
454,328.70x = 680,180.85 × 277,181.70 - Step 4: Simplify right side
454,328.70x = 188,533,684,310.45 - Step 5: Solve for x
x = 188,533,684,310.45/454,328.70 - Step 6: Final answer
x = 414,971.99
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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.