Finding the Fourth Proportional to 187,325.08, 258,532.22 and 122,848.54
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Solution
The fourth proportional to 187,325.08, 258,532.22 and 122,848.54 is: 169,546.47
Step by Step Solution
- Step 1: Write the proportion equation
187,325.08 : 258,532.22 = 122,848.54 : x - Step 2: Convert to fraction form
187,325.08/258,532.22 = 122,848.54/x - Step 3: Cross multiply
187,325.08x = 258,532.22 × 122,848.54 - Step 4: Simplify right side
187,325.08x = 31,760,305,430.75 - Step 5: Solve for x
x = 31,760,305,430.75/187,325.08 - Step 6: Final answer
x = 169,546.47
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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.