Finding the Fourth Proportional to 413,824.84, 620,402.27 and 129,368.94
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Solution
The fourth proportional to 413,824.84, 620,402.27 and 129,368.94 is: 193,948.69
Step by Step Solution
- Step 1: Write the proportion equation
413,824.84 : 620,402.27 = 129,368.94 : x - Step 2: Convert to fraction form
413,824.84/620,402.27 = 129,368.94/x - Step 3: Cross multiply
413,824.84x = 620,402.27 × 129,368.94 - Step 4: Simplify right side
413,824.84x = 80,260,784,043.49 - Step 5: Solve for x
x = 80,260,784,043.49/413,824.84 - Step 6: Final answer
x = 193,948.69
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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.