Finding the Fourth Proportional to 258,224.73, 356,349.56 and 143,502.99
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Solution
The fourth proportional to 258,224.73, 356,349.56 and 143,502.99 is: 198,033.81
Step by Step Solution
- Step 1: Write the proportion equation
258,224.73 : 356,349.56 = 143,502.99 : x - Step 2: Convert to fraction form
258,224.73/356,349.56 = 143,502.99/x - Step 3: Cross multiply
258,224.73x = 356,349.56 × 143,502.99 - Step 4: Simplify right side
258,224.73x = 51,137,226,627.67 - Step 5: Solve for x
x = 51,137,226,627.67/258,224.73 - Step 6: Final answer
x = 198,033.81
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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.