Finding the Fourth Proportional to 816,110.60, 1,224,165.90 and 255,201.80
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Solution
The fourth proportional to 816,110.60, 1,224,165.90 and 255,201.80 is: 382,802.70
Step by Step Solution
- Step 1: Write the proportion equation
816,110.60 : 1,224,165.90 = 255,201.80 : x - Step 2: Convert to fraction form
816,110.60/1,224,165.90 = 255,201.80/x - Step 3: Cross multiply
816,110.60x = 1,224,165.90 × 255,201.80 - Step 4: Simplify right side
816,110.60x = 312,409,341,178.62 - Step 5: Solve for x
x = 312,409,341,178.62/816,110.60 - Step 6: Final answer
x = 382,802.70
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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.