Finding the Fourth Proportional to 293,609.36, 440,423.19 and 139,701.63
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Solution
The fourth proportional to 293,609.36, 440,423.19 and 139,701.63 is: 209,556.79
Step by Step Solution
- Step 1: Write the proportion equation
293,609.36 : 440,423.19 = 139,701.63 : x - Step 2: Convert to fraction form
293,609.36/440,423.19 = 139,701.63/x - Step 3: Cross multiply
293,609.36x = 440,423.19 × 139,701.63 - Step 4: Simplify right side
293,609.36x = 61,527,837,046.66 - Step 5: Solve for x
x = 61,527,837,046.66/293,609.36 - Step 6: Final answer
x = 209,556.79
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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.