Finding the Fourth Proportional to 84,625.20, 126,937.80 and 22,295.70
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Solution
The fourth proportional to 84,625.20, 126,937.80 and 22,295.70 is: 33,443.55
Step by Step Solution
- Step 1: Write the proportion equation
84,625.20 : 126,937.80 = 22,295.70 : x - Step 2: Convert to fraction form
84,625.20/126,937.80 = 22,295.70/x - Step 3: Cross multiply
84,625.20x = 126,937.80 × 22,295.70 - Step 4: Simplify right side
84,625.20x = 2,830,167,107.46 - Step 5: Solve for x
x = 2,830,167,107.46/84,625.20 - Step 6: Final answer
x = 33,443.55
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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.