Finding the Fourth Proportional to 187,949.34, 259,367.67 and 107,376.21
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Solution
The fourth proportional to 187,949.34, 259,367.67 and 107,376.21 is: 148,177.79
Step by Step Solution
- Step 1: Write the proportion equation
187,949.34 : 259,367.67 = 107,376.21 : x - Step 2: Convert to fraction form
187,949.34/259,367.67 = 107,376.21/x - Step 3: Cross multiply
187,949.34x = 259,367.67 × 107,376.21 - Step 4: Simplify right side
187,949.34x = 27,849,917,401.13 - Step 5: Solve for x
x = 27,849,917,401.13/187,949.34 - Step 6: Final answer
x = 148,177.79
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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.