Finding the Fourth Proportional to 187,176.42, 258,302.84 and 102,293.46
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Solution
The fourth proportional to 187,176.42, 258,302.84 and 102,293.46 is: 141,164.63
Step by Step Solution
- Step 1: Write the proportion equation
187,176.42 : 258,302.84 = 102,293.46 : x - Step 2: Convert to fraction form
187,176.42/258,302.84 = 102,293.46/x - Step 3: Cross multiply
187,176.42x = 258,302.84 × 102,293.46 - Step 4: Simplify right side
187,176.42x = 26,422,690,719.96 - Step 5: Solve for x
x = 26,422,690,719.96/187,176.42 - Step 6: Final answer
x = 141,164.63
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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.