Finding the Fourth Proportional to 135,305.70, 202,849.17 and 56,478.93
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Solution
The fourth proportional to 135,305.70, 202,849.17 and 56,478.93 is: 84,672.74
Step by Step Solution
- Step 1: Write the proportion equation
135,305.70 : 202,849.17 = 56,478.93 : x - Step 2: Convert to fraction form
135,305.70/202,849.17 = 56,478.93/x - Step 3: Cross multiply
135,305.70x = 202,849.17 × 56,478.93 - Step 4: Simplify right side
135,305.70x = 11,456,704,072.99 - Step 5: Solve for x
x = 11,456,704,072.99/135,305.70 - Step 6: Final answer
x = 84,672.74
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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.