Finding the Fourth Proportional to 187,560.28, 258,833.62 and 102,682.80
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Solution
The fourth proportional to 187,560.28, 258,833.62 and 102,682.80 is: 141,702.50
Step by Step Solution
- Step 1: Write the proportion equation
187,560.28 : 258,833.62 = 102,682.80 : x - Step 2: Convert to fraction form
187,560.28/258,833.62 = 102,682.80/x - Step 3: Cross multiply
187,560.28x = 258,833.62 × 102,682.80 - Step 4: Simplify right side
187,560.28x = 26,577,760,835.74 - Step 5: Solve for x
x = 26,577,760,835.74/187,560.28 - Step 6: Final answer
x = 141,702.50
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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.