Finding the Fourth Proportional to 118,137.60, 177,229.08 and 38,197.08
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Solution
The fourth proportional to 118,137.60, 177,229.08 and 38,197.08 is: 57,302.95
Step by Step Solution
- Step 1: Write the proportion equation
118,137.60 : 177,229.08 = 38,197.08 : x - Step 2: Convert to fraction form
118,137.60/177,229.08 = 38,197.08/x - Step 3: Cross multiply
118,137.60x = 177,229.08 × 38,197.08 - Step 4: Simplify right side
118,137.60x = 6,769,633,347.09 - Step 5: Solve for x
x = 6,769,633,347.09/118,137.60 - Step 6: Final answer
x = 57,302.95
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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.