Finding the Fourth Proportional to 335,841.70, 503,762.55 and 86,523.70
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Solution
The fourth proportional to 335,841.70, 503,762.55 and 86,523.70 is: 129,785.55
Step by Step Solution
- Step 1: Write the proportion equation
335,841.70 : 503,762.55 = 86,523.70 : x - Step 2: Convert to fraction form
335,841.70/503,762.55 = 86,523.70/x - Step 3: Cross multiply
335,841.70x = 503,762.55 × 86,523.70 - Step 4: Simplify right side
335,841.70x = 43,587,399,747.44 - Step 5: Solve for x
x = 43,587,399,747.44/335,841.70 - Step 6: Final answer
x = 129,785.55
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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.