Finding the Fourth Proportional to 226,494.99, 312,537.69 and 135,854.64
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Solution
The fourth proportional to 226,494.99, 312,537.69 and 135,854.64 is: 187,464.17
Step by Step Solution
- Step 1: Write the proportion equation
226,494.99 : 312,537.69 = 135,854.64 : x - Step 2: Convert to fraction form
226,494.99/312,537.69 = 135,854.64/x - Step 3: Cross multiply
226,494.99x = 312,537.69 × 135,854.64 - Step 4: Simplify right side
226,494.99x = 42,459,695,361.38 - Step 5: Solve for x
x = 42,459,695,361.38/226,494.99 - Step 6: Final answer
x = 187,464.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.