Finding the Fourth Proportional to 479,709.75, 661,995.15 and 264,845.19
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Solution
The fourth proportional to 479,709.75, 661,995.15 and 264,845.19 is: 365,483.99
Step by Step Solution
- Step 1: Write the proportion equation
479,709.75 : 661,995.15 = 264,845.19 : x - Step 2: Convert to fraction form
479,709.75/661,995.15 = 264,845.19/x - Step 3: Cross multiply
479,709.75x = 661,995.15 × 264,845.19 - Step 4: Simplify right side
479,709.75x = 175,326,231,280.83 - Step 5: Solve for x
x = 175,326,231,280.83/479,709.75 - Step 6: Final answer
x = 365,483.99
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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.