Finding the Fourth Proportional to 338,741.12, 508,308.48 and 151,752.62
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Solution
The fourth proportional to 338,741.12, 508,308.48 and 151,752.62 is: 227,717.09
Step by Step Solution
- Step 1: Write the proportion equation
338,741.12 : 508,308.48 = 151,752.62 : x - Step 2: Convert to fraction form
338,741.12/508,308.48 = 151,752.62/x - Step 3: Cross multiply
338,741.12x = 508,308.48 × 151,752.62 - Step 4: Simplify right side
338,741.12x = 77,137,143,608.22 - Step 5: Solve for x
x = 77,137,143,608.22/338,741.12 - Step 6: Final answer
x = 227,717.09
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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.