Finding the Fourth Proportional to 253,792.13, 380,736.20 and 102,000.99
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Solution
The fourth proportional to 253,792.13, 380,736.20 and 102,000.99 is: 153,020.78
Step by Step Solution
- Step 1: Write the proportion equation
253,792.13 : 380,736.20 = 102,000.99 : x - Step 2: Convert to fraction form
253,792.13/380,736.20 = 102,000.99/x - Step 3: Cross multiply
253,792.13x = 380,736.20 × 102,000.99 - Step 4: Simplify right side
253,792.13x = 38,835,468,818.83 - Step 5: Solve for x
x = 38,835,468,818.83/253,792.13 - Step 6: Final answer
x = 153,020.78
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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.