Finding the Fourth Proportional to 187,529.18, 258,780.30 and 102,629.84
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Solution
The fourth proportional to 187,529.18, 258,780.30 and 102,629.84 is: 141,623.72
Step by Step Solution
- Step 1: Write the proportion equation
187,529.18 : 258,780.30 = 102,629.84 : x - Step 2: Convert to fraction form
187,529.18/258,780.30 = 102,629.84/x - Step 3: Cross multiply
187,529.18x = 258,780.30 × 102,629.84 - Step 4: Simplify right side
187,529.18x = 26,558,580,784.15 - Step 5: Solve for x
x = 26,558,580,784.15/187,529.18 - Step 6: Final answer
x = 141,623.72
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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.