Finding the Fourth Proportional to 187,102.19, 258,201.27 and 106,529.75
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Solution
The fourth proportional to 187,102.19, 258,201.27 and 106,529.75 is: 147,011.19
Step by Step Solution
- Step 1: Write the proportion equation
187,102.19 : 258,201.27 = 106,529.75 : x - Step 2: Convert to fraction form
187,102.19/258,201.27 = 106,529.75/x - Step 3: Cross multiply
187,102.19x = 258,201.27 × 106,529.75 - Step 4: Simplify right side
187,102.19x = 27,506,115,451.78 - Step 5: Solve for x
x = 27,506,115,451.78/187,102.19 - Step 6: Final answer
x = 147,011.19
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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.