Finding the Fourth Proportional to 626,766.24, 940,029.12 and 177,378.60
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Solution
The fourth proportional to 626,766.24, 940,029.12 and 177,378.60 is: 266,033.87
Step by Step Solution
- Step 1: Write the proportion equation
626,766.24 : 940,029.12 = 177,378.60 : x - Step 2: Convert to fraction form
626,766.24/940,029.12 = 177,378.60/x - Step 3: Cross multiply
626,766.24x = 940,029.12 × 177,378.60 - Step 4: Simplify right side
626,766.24x = 166,741,049,264.83 - Step 5: Solve for x
x = 166,741,049,264.83/626,766.24 - Step 6: Final answer
x = 266,033.87
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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.