Finding the Fourth Proportional to 187,257.38, 258,415.14 and 102,374.44
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Solution
The fourth proportional to 187,257.38, 258,415.14 and 102,374.44 is: 141,276.70
Step by Step Solution
- Step 1: Write the proportion equation
187,257.38 : 258,415.14 = 102,374.44 : x - Step 2: Convert to fraction form
187,257.38/258,415.14 = 102,374.44/x - Step 3: Cross multiply
187,257.38x = 258,415.14 × 102,374.44 - Step 4: Simplify right side
187,257.38x = 26,455,105,184.14 - Step 5: Solve for x
x = 26,455,105,184.14/187,257.38 - Step 6: Final answer
x = 141,276.70
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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.