Finding the Fourth Proportional to 187,512.11, 258,767.39 and 101,471.08
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Solution
The fourth proportional to 187,512.11, 258,767.39 and 101,471.08 is: 140,030.45
Step by Step Solution
- Step 1: Write the proportion equation
187,512.11 : 258,767.39 = 101,471.08 : x - Step 2: Convert to fraction form
187,512.11/258,767.39 = 101,471.08/x - Step 3: Cross multiply
187,512.11x = 258,767.39 × 101,471.08 - Step 4: Simplify right side
187,512.11x = 26,257,404,730.89 - Step 5: Solve for x
x = 26,257,404,730.89/187,512.11 - Step 6: Final answer
x = 140,030.45
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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.