Finding the Fourth Proportional to 135,507.09, 203,227.95 and 56,578.53
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Solution
The fourth proportional to 135,507.09, 203,227.95 and 56,578.53 is: 84,854.15
Step by Step Solution
- Step 1: Write the proportion equation
135,507.09 : 203,227.95 = 56,578.53 : x - Step 2: Convert to fraction form
135,507.09/203,227.95 = 56,578.53/x - Step 3: Cross multiply
135,507.09x = 203,227.95 × 56,578.53 - Step 4: Simplify right side
135,507.09x = 11,498,338,665.91 - Step 5: Solve for x
x = 11,498,338,665.91/135,507.09 - Step 6: Final answer
x = 84,854.15
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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.