Finding the Fourth Proportional to 190,035.08, 262,206.76 and 113,542.68
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Solution
The fourth proportional to 190,035.08, 262,206.76 and 113,542.68 is: 156,664.01
Step by Step Solution
- Step 1: Write the proportion equation
190,035.08 : 262,206.76 = 113,542.68 : x - Step 2: Convert to fraction form
190,035.08/262,206.76 = 113,542.68/x - Step 3: Cross multiply
190,035.08x = 262,206.76 × 113,542.68 - Step 4: Simplify right side
190,035.08x = 29,771,657,676.80 - Step 5: Solve for x
x = 29,771,657,676.80/190,035.08 - Step 6: Final answer
x = 156,664.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.