Finding the Fourth Proportional to 523,761.49, 785,687.49 and 144,682.09
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Solution
The fourth proportional to 523,761.49, 785,687.49 and 144,682.09 is: 217,035.64
Step by Step Solution
- Step 1: Write the proportion equation
523,761.49 : 785,687.49 = 144,682.09 : x - Step 2: Convert to fraction form
523,761.49/785,687.49 = 144,682.09/x - Step 3: Cross multiply
523,761.49x = 785,687.49 × 144,682.09 - Step 4: Simplify right side
523,761.49x = 113,674,908,140.05 - Step 5: Solve for x
x = 113,674,908,140.05/523,761.49 - Step 6: Final answer
x = 217,035.64
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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.