Finding the Fourth Proportional to 418,233.20, 626,507.80 and 193,283.84
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Solution
The fourth proportional to 418,233.20, 626,507.80 and 193,283.84 is: 289,536.64
Step by Step Solution
- Step 1: Write the proportion equation
418,233.20 : 626,507.80 = 193,283.84 : x - Step 2: Convert to fraction form
418,233.20/626,507.80 = 193,283.84/x - Step 3: Cross multiply
418,233.20x = 626,507.80 × 193,283.84 - Step 4: Simplify right side
418,233.20x = 121,093,834,457.01 - Step 5: Solve for x
x = 121,093,834,457.01/418,233.20 - Step 6: Final answer
x = 289,536.64
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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.