Finding the Fourth Proportional to 187,684.96, 259,004.88 and 102,803.68
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Solution
The fourth proportional to 187,684.96, 259,004.88 and 102,803.68 is: 141,868.88
Step by Step Solution
- Step 1: Write the proportion equation
187,684.96 : 259,004.88 = 102,803.68 : x - Step 2: Convert to fraction form
187,684.96/259,004.88 = 102,803.68/x - Step 3: Cross multiply
187,684.96x = 259,004.88 × 102,803.68 - Step 4: Simplify right side
187,684.96x = 26,626,654,801.96 - Step 5: Solve for x
x = 26,626,654,801.96/187,684.96 - Step 6: Final answer
x = 141,868.88
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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.