Finding the Fourth Proportional to 791,643.84, 1,187,350.56 and 230,527.68
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Solution
The fourth proportional to 791,643.84, 1,187,350.56 and 230,527.68 is: 345,757.97
Step by Step Solution
- Step 1: Write the proportion equation
791,643.84 : 1,187,350.56 = 230,527.68 : x - Step 2: Convert to fraction form
791,643.84/1,187,350.56 = 230,527.68/x - Step 3: Cross multiply
791,643.84x = 1,187,350.56 × 230,527.68 - Step 4: Simplify right side
791,643.84x = 273,717,169,943.50 - Step 5: Solve for x
x = 273,717,169,943.50/791,643.84 - Step 6: Final answer
x = 345,757.97
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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.