Finding the Fourth Proportional to 187,257.48, 258,415.26 and 102,374.54
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Solution
The fourth proportional to 187,257.48, 258,415.26 and 102,374.54 is: 141,276.83
Step by Step Solution
- Step 1: Write the proportion equation
187,257.48 : 258,415.26 = 102,374.54 : x - Step 2: Convert to fraction form
187,257.48/258,415.26 = 102,374.54/x - Step 3: Cross multiply
187,257.48x = 258,415.26 × 102,374.54 - Step 4: Simplify right side
187,257.48x = 26,455,143,371.48 - Step 5: Solve for x
x = 26,455,143,371.48/187,257.48 - Step 6: Final answer
x = 141,276.83
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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.