Finding the Fourth Proportional to 187,512.16, 258,765.84 and 101,471.08
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Solution
The fourth proportional to 187,512.16, 258,765.84 and 101,471.08 is: 140,029.58
Step by Step Solution
- Step 1: Write the proportion equation
187,512.16 : 258,765.84 = 101,471.08 : x - Step 2: Convert to fraction form
187,512.16/258,765.84 = 101,471.08/x - Step 3: Cross multiply
187,512.16x = 258,765.84 × 101,471.08 - Step 4: Simplify right side
187,512.16x = 26,257,249,251.91 - Step 5: Solve for x
x = 26,257,249,251.91/187,512.16 - Step 6: Final answer
x = 140,029.58
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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.