Finding the Fourth Proportional to 187,380.58, 258,591.80 and 106,795.10
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Solution
The fourth proportional to 187,380.58, 258,591.80 and 106,795.10 is: 147,381.00
Step by Step Solution
- Step 1: Write the proportion equation
187,380.58 : 258,591.80 = 106,795.10 : x - Step 2: Convert to fraction form
187,380.58/258,591.80 = 106,795.10/x - Step 3: Cross multiply
187,380.58x = 258,591.80 × 106,795.10 - Step 4: Simplify right side
187,380.58x = 27,616,337,140.18 - Step 5: Solve for x
x = 27,616,337,140.18/187,380.58 - Step 6: Final answer
x = 147,381.00
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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.