Finding the Fourth Proportional to 192,263.70, 288,457.15 and 134,620.99
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Solution
The fourth proportional to 192,263.70, 288,457.15 and 134,620.99 is: 201,974.61
Step by Step Solution
- Step 1: Write the proportion equation
192,263.70 : 288,457.15 = 134,620.99 : x - Step 2: Convert to fraction form
192,263.70/288,457.15 = 134,620.99/x - Step 3: Cross multiply
192,263.70x = 288,457.15 × 134,620.99 - Step 4: Simplify right side
192,263.70x = 38,832,385,663.29 - Step 5: Solve for x
x = 38,832,385,663.29/192,263.70 - Step 6: Final answer
x = 201,974.61
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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.