Finding the Fourth Proportional to 187,309.08, 258,486.84 and 102,427.56
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Solution
The fourth proportional to 187,309.08, 258,486.84 and 102,427.56 is: 141,350.20
Step by Step Solution
- Step 1: Write the proportion equation
187,309.08 : 258,486.84 = 102,427.56 : x - Step 2: Convert to fraction form
187,309.08/258,486.84 = 102,427.56/x - Step 3: Cross multiply
187,309.08x = 258,486.84 × 102,427.56 - Step 4: Simplify right side
187,309.08x = 26,476,176,313.31 - Step 5: Solve for x
x = 26,476,176,313.31/187,309.08 - Step 6: Final answer
x = 141,350.20
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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.