Finding the Fourth Proportional to 405,861.48, 560,177.12 and 236,117.88
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Solution
The fourth proportional to 405,861.48, 560,177.12 and 236,117.88 is: 325,894.03
Step by Step Solution
- Step 1: Write the proportion equation
405,861.48 : 560,177.12 = 236,117.88 : x - Step 2: Convert to fraction form
405,861.48/560,177.12 = 236,117.88/x - Step 3: Cross multiply
405,861.48x = 560,177.12 × 236,117.88 - Step 4: Simplify right side
405,861.48x = 132,267,833,998.91 - Step 5: Solve for x
x = 132,267,833,998.91/405,861.48 - Step 6: Final answer
x = 325,894.03
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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.