Finding the Fourth Proportional to 77,636.21, 116,423.26 and 30,244.79
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Solution
The fourth proportional to 77,636.21, 116,423.26 and 30,244.79 is: 45,355.09
Step by Step Solution
- Step 1: Write the proportion equation
77,636.21 : 116,423.26 = 30,244.79 : x - Step 2: Convert to fraction form
77,636.21/116,423.26 = 30,244.79/x - Step 3: Cross multiply
77,636.21x = 116,423.26 × 30,244.79 - Step 4: Simplify right side
77,636.21x = 3,521,197,265.26 - Step 5: Solve for x
x = 3,521,197,265.26/77,636.21 - Step 6: Final answer
x = 45,355.09
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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.