Finding the Fourth Proportional to 416,014.57, 624,115.41 and 131,722.12
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Solution
The fourth proportional to 416,014.57, 624,115.41 and 131,722.12 is: 197,612.80
Step by Step Solution
- Step 1: Write the proportion equation
416,014.57 : 624,115.41 = 131,722.12 : x - Step 2: Convert to fraction form
416,014.57/624,115.41 = 131,722.12/x - Step 3: Cross multiply
416,014.57x = 624,115.41 × 131,722.12 - Step 4: Simplify right side
416,014.57x = 82,209,804,929.87 - Step 5: Solve for x
x = 82,209,804,929.87/416,014.57 - Step 6: Final answer
x = 197,612.80
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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.