Finding the Fourth Proportional to 135,125.12, 202,791.36 and 56,305.28
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Solution
The fourth proportional to 135,125.12, 202,791.36 and 56,305.28 is: 84,501.12
Step by Step Solution
- Step 1: Write the proportion equation
135,125.12 : 202,791.36 = 56,305.28 : x - Step 2: Convert to fraction form
135,125.12/202,791.36 = 56,305.28/x - Step 3: Cross multiply
135,125.12x = 202,791.36 × 56,305.28 - Step 4: Simplify right side
135,125.12x = 11,418,224,306.38 - Step 5: Solve for x
x = 11,418,224,306.38/135,125.12 - Step 6: Final answer
x = 84,501.12
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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.