Finding the Fourth Proportional to 416,195.20, 624,177.60 and 166,902.40
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Solution
The fourth proportional to 416,195.20, 624,177.60 and 166,902.40 is: 250,307.40
Step by Step Solution
- Step 1: Write the proportion equation
416,195.20 : 624,177.60 = 166,902.40 : x - Step 2: Convert to fraction form
416,195.20/624,177.60 = 166,902.40/x - Step 3: Cross multiply
416,195.20x = 624,177.60 × 166,902.40 - Step 4: Simplify right side
416,195.20x = 104,176,739,466.24 - Step 5: Solve for x
x = 104,176,739,466.24/416,195.20 - Step 6: Final answer
x = 250,307.40
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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.