Finding the Fourth Proportional to 415,135.24, 572,847.78 and 245,336.20
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Solution
The fourth proportional to 415,135.24, 572,847.78 and 245,336.20 is: 338,541.00
Step by Step Solution
- Step 1: Write the proportion equation
415,135.24 : 572,847.78 = 245,336.20 : x - Step 2: Convert to fraction form
415,135.24/572,847.78 = 245,336.20/x - Step 3: Cross multiply
415,135.24x = 572,847.78 × 245,336.20 - Step 4: Simplify right side
415,135.24x = 140,540,297,523.64 - Step 5: Solve for x
x = 140,540,297,523.64/415,135.24 - Step 6: Final answer
x = 338,541.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.