Finding the Fourth Proportional to 512,888.68, 769,263.76 and 133,836.02
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Solution
The fourth proportional to 512,888.68, 769,263.76 and 133,836.02 is: 200,735.96
Step by Step Solution
- Step 1: Write the proportion equation
512,888.68 : 769,263.76 = 133,836.02 : x - Step 2: Convert to fraction form
512,888.68/769,263.76 = 133,836.02/x - Step 3: Cross multiply
512,888.68x = 769,263.76 × 133,836.02 - Step 4: Simplify right side
512,888.68x = 102,955,199,968.64 - Step 5: Solve for x
x = 102,955,199,968.64/512,888.68 - Step 6: Final answer
x = 200,735.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.