Finding the Fourth Proportional to 187,429.94, 258,659.76 and 102,546.99
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Solution
The fourth proportional to 187,429.94, 258,659.76 and 102,546.99 is: 141,518.37
Step by Step Solution
- Step 1: Write the proportion equation
187,429.94 : 258,659.76 = 102,546.99 : x - Step 2: Convert to fraction form
187,429.94/258,659.76 = 102,546.99/x - Step 3: Cross multiply
187,429.94x = 258,659.76 × 102,546.99 - Step 4: Simplify right side
187,429.94x = 26,524,779,822.12 - Step 5: Solve for x
x = 26,524,779,822.12/187,429.94 - Step 6: Final answer
x = 141,518.37
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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.