Finding the Fourth Proportional to 187,493.75, 258,734.99 and 106,947.35
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Solution
The fourth proportional to 187,493.75, 258,734.99 and 106,947.35 is: 147,583.70
Step by Step Solution
- Step 1: Write the proportion equation
187,493.75 : 258,734.99 = 106,947.35 : x - Step 2: Convert to fraction form
187,493.75/258,734.99 = 106,947.35/x - Step 3: Cross multiply
187,493.75x = 258,734.99 × 106,947.35 - Step 4: Simplify right side
187,493.75x = 27,671,021,532.78 - Step 5: Solve for x
x = 27,671,021,532.78/187,493.75 - Step 6: Final answer
x = 147,583.70
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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.