Finding the Fourth Proportional to 139,911.24, 209,836.94 and 40,044.62
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Solution
The fourth proportional to 139,911.24, 209,836.94 and 40,044.62 is: 60,058.37
Step by Step Solution
- Step 1: Write the proportion equation
139,911.24 : 209,836.94 = 40,044.62 : x - Step 2: Convert to fraction form
139,911.24/209,836.94 = 40,044.62/x - Step 3: Cross multiply
139,911.24x = 209,836.94 × 40,044.62 - Step 4: Simplify right side
139,911.24x = 8,402,840,524.26 - Step 5: Solve for x
x = 8,402,840,524.26/139,911.24 - Step 6: Final answer
x = 60,058.37
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1.5x scale
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.