Finding the Fourth Proportional to 187,539.24, 258,806.60 and 102,654.48
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Solution
The fourth proportional to 187,539.24, 258,806.60 and 102,654.48 is: 141,664.52
Step by Step Solution
- Step 1: Write the proportion equation
187,539.24 : 258,806.60 = 102,654.48 : x - Step 2: Convert to fraction form
187,539.24/258,806.60 = 102,654.48/x - Step 3: Cross multiply
187,539.24x = 258,806.60 × 102,654.48 - Step 4: Simplify right side
187,539.24x = 26,567,656,943.57 - Step 5: Solve for x
x = 26,567,656,943.57/187,539.24 - Step 6: Final answer
x = 141,664.52
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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.