Finding the Fourth Proportional to 479,523.36, 661,695.12 and 264,649.55
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Solution
The fourth proportional to 479,523.36, 661,695.12 and 264,649.55 is: 365,190.37
Step by Step Solution
- Step 1: Write the proportion equation
479,523.36 : 661,695.12 = 264,649.55 : x - Step 2: Convert to fraction form
479,523.36/661,695.12 = 264,649.55/x - Step 3: Cross multiply
479,523.36x = 661,695.12 × 264,649.55 - Step 4: Simplify right side
479,523.36x = 175,117,312,436.72 - Step 5: Solve for x
x = 175,117,312,436.72/479,523.36 - Step 6: Final answer
x = 365,190.37
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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.