Finding the Fourth Proportional to 320,827.96, 481,266.78 and 107,597.08
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Solution
The fourth proportional to 320,827.96, 481,266.78 and 107,597.08 is: 161,403.95
Step by Step Solution
- Step 1: Write the proportion equation
320,827.96 : 481,266.78 = 107,597.08 : x - Step 2: Convert to fraction form
320,827.96/481,266.78 = 107,597.08/x - Step 3: Cross multiply
320,827.96x = 481,266.78 × 107,597.08 - Step 4: Simplify right side
320,827.96x = 51,782,900,229.00 - Step 5: Solve for x
x = 51,782,900,229.00/320,827.96 - Step 6: Final answer
x = 161,403.95
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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.