Finding the Fourth Proportional to 187,237.50, 258,382.58 and 106,691.03
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Solution
The fourth proportional to 187,237.50, 258,382.58 and 106,691.03 is: 147,230.68
Step by Step Solution
- Step 1: Write the proportion equation
187,237.50 : 258,382.58 = 106,691.03 : x - Step 2: Convert to fraction form
187,237.50/258,382.58 = 106,691.03/x - Step 3: Cross multiply
187,237.50x = 258,382.58 × 106,691.03 - Step 4: Simplify right side
187,237.50x = 27,567,103,594.26 - Step 5: Solve for x
x = 27,567,103,594.26/187,237.50 - Step 6: Final answer
x = 147,230.68
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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.