Finding the Fourth Proportional to 187,577.12, 258,862.74 and 102,695.96
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Solution
The fourth proportional to 187,577.12, 258,862.74 and 102,695.96 is: 141,723.88
Step by Step Solution
- Step 1: Write the proportion equation
187,577.12 : 258,862.74 = 102,695.96 : x - Step 2: Convert to fraction form
187,577.12/258,862.74 = 102,695.96/x - Step 3: Cross multiply
187,577.12x = 258,862.74 × 102,695.96 - Step 4: Simplify right side
187,577.12x = 26,584,157,592.53 - Step 5: Solve for x
x = 26,584,157,592.53/187,577.12 - Step 6: Final answer
x = 141,723.88
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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.