Finding the Fourth Proportional to 187,869.50, 259,277.84 and 107,309.06
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Solution
The fourth proportional to 187,869.50, 259,277.84 and 107,309.06 is: 148,096.74
Step by Step Solution
- Step 1: Write the proportion equation
187,869.50 : 259,277.84 = 107,309.06 : x - Step 2: Convert to fraction form
187,869.50/259,277.84 = 107,309.06/x - Step 3: Cross multiply
187,869.50x = 259,277.84 × 107,309.06 - Step 4: Simplify right side
187,869.50x = 27,822,861,289.23 - Step 5: Solve for x
x = 27,822,861,289.23/187,869.50 - Step 6: Final answer
x = 148,096.74
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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.