Finding the Fourth Proportional to 187,575.14, 258,868.51 and 106,984.19
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Solution
The fourth proportional to 187,575.14, 258,868.51 and 106,984.19 is: 147,646.63
Step by Step Solution
- Step 1: Write the proportion equation
187,575.14 : 258,868.51 = 106,984.19 : x - Step 2: Convert to fraction form
187,575.14/258,868.51 = 106,984.19/x - Step 3: Cross multiply
187,575.14x = 258,868.51 × 106,984.19 - Step 4: Simplify right side
187,575.14x = 27,694,838,238.57 - Step 5: Solve for x
x = 27,694,838,238.57/187,575.14 - Step 6: Final answer
x = 147,646.63
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1.5x scale
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.