Finding the Fourth Proportional to 192,385.99, 265,492.11 and 107,503.12
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Solution
The fourth proportional to 192,385.99, 265,492.11 and 107,503.12 is: 148,353.99
Step by Step Solution
- Step 1: Write the proportion equation
192,385.99 : 265,492.11 = 107,503.12 : x - Step 2: Convert to fraction form
192,385.99/265,492.11 = 107,503.12/x - Step 3: Cross multiply
192,385.99x = 265,492.11 × 107,503.12 - Step 4: Simplify right side
192,385.99x = 28,541,230,160.38 - Step 5: Solve for x
x = 28,541,230,160.38/192,385.99 - Step 6: Final answer
x = 148,353.99
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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.