Finding the Fourth Proportional to 187,370.70, 258,569.46 and 102,486.75
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Solution
The fourth proportional to 187,370.70, 258,569.46 and 102,486.75 is: 141,430.56
Step by Step Solution
- Step 1: Write the proportion equation
187,370.70 : 258,569.46 = 102,486.75 : x - Step 2: Convert to fraction form
187,370.70/258,569.46 = 102,486.75/x - Step 3: Cross multiply
187,370.70x = 258,569.46 × 102,486.75 - Step 4: Simplify right side
187,370.70x = 26,499,943,604.66 - Step 5: Solve for x
x = 26,499,943,604.66/187,370.70 - Step 6: Final answer
x = 141,430.56
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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.