Finding the Fourth Proportional to 187,552.12, 258,812.22 and 102,653.08
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Solution
The fourth proportional to 187,552.12, 258,812.22 and 102,653.08 is: 141,655.94
Step by Step Solution
- Step 1: Write the proportion equation
187,552.12 : 258,812.22 = 102,653.08 : x - Step 2: Convert to fraction form
187,552.12/258,812.22 = 102,653.08/x - Step 3: Cross multiply
187,552.12x = 258,812.22 × 102,653.08 - Step 4: Simplify right side
187,552.12x = 26,567,871,524.64 - Step 5: Solve for x
x = 26,567,871,524.64/187,552.12 - Step 6: Final answer
x = 141,655.94
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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.