Finding the Fourth Proportional to 187,613.81, 258,907.49 and 101,573.70
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Solution
The fourth proportional to 187,613.81, 258,907.49 and 101,573.70 is: 140,171.94
Step by Step Solution
- Step 1: Write the proportion equation
187,613.81 : 258,907.49 = 101,573.70 : x - Step 2: Convert to fraction form
187,613.81/258,907.49 = 101,573.70/x - Step 3: Cross multiply
187,613.81x = 258,907.49 × 101,573.70 - Step 4: Simplify right side
187,613.81x = 26,298,191,209.14 - Step 5: Solve for x
x = 26,298,191,209.14/187,613.81 - Step 6: Final answer
x = 140,171.94
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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.