Finding the Fourth Proportional to 102,424.82, 153,531.66 and 39,227.70
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Solution
The fourth proportional to 102,424.82, 153,531.66 and 39,227.70 is: 58,801.12
Step by Step Solution
- Step 1: Write the proportion equation
102,424.82 : 153,531.66 = 39,227.70 : x - Step 2: Convert to fraction form
102,424.82/153,531.66 = 39,227.70/x - Step 3: Cross multiply
102,424.82x = 153,531.66 × 39,227.70 - Step 4: Simplify right side
102,424.82x = 6,022,693,898.98 - Step 5: Solve for x
x = 6,022,693,898.98/102,424.82 - Step 6: Final answer
x = 58,801.12
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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.