Finding the Fourth Proportional to 135,849.88, 203,781.30 and 56,966.68
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Solution
The fourth proportional to 135,849.88, 203,781.30 and 56,966.68 is: 85,452.74
Step by Step Solution
- Step 1: Write the proportion equation
135,849.88 : 203,781.30 = 56,966.68 : x - Step 2: Convert to fraction form
135,849.88/203,781.30 = 56,966.68/x - Step 3: Cross multiply
135,849.88x = 203,781.30 × 56,966.68 - Step 4: Simplify right side
135,849.88x = 11,608,744,107.08 - Step 5: Solve for x
x = 11,608,744,107.08/135,849.88 - Step 6: Final answer
x = 85,452.74
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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.