Finding the Fourth Proportional to 187,360.49, 258,550.99 and 106,813.96
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Solution
The fourth proportional to 187,360.49, 258,550.99 and 106,813.96 is: 147,399.56
Step by Step Solution
- Step 1: Write the proportion equation
187,360.49 : 258,550.99 = 106,813.96 : x - Step 2: Convert to fraction form
187,360.49/258,550.99 = 106,813.96/x - Step 3: Cross multiply
187,360.49x = 258,550.99 × 106,813.96 - Step 4: Simplify right side
187,360.49x = 27,616,854,190.41 - Step 5: Solve for x
x = 27,616,854,190.41/187,360.49 - Step 6: Final answer
x = 147,399.56
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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.