Finding the Fourth Proportional to 304,739.36, 457,403.88 and 147,078.80
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Solution
The fourth proportional to 304,739.36, 457,403.88 and 147,078.80 is: 220,760.50
Step by Step Solution
- Step 1: Write the proportion equation
304,739.36 : 457,403.88 = 147,078.80 : x - Step 2: Convert to fraction form
304,739.36/457,403.88 = 147,078.80/x - Step 3: Cross multiply
304,739.36x = 457,403.88 × 147,078.80 - Step 4: Simplify right side
304,739.36x = 67,274,413,785.74 - Step 5: Solve for x
x = 67,274,413,785.74/304,739.36 - Step 6: Final answer
x = 220,760.50
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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.