Finding the Fourth Proportional to 187,310.80, 258,495.04 and 102,427.84
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Solution
The fourth proportional to 187,310.80, 258,495.04 and 102,427.84 is: 141,353.77
Step by Step Solution
- Step 1: Write the proportion equation
187,310.80 : 258,495.04 = 102,427.84 : x - Step 2: Convert to fraction form
187,310.80/258,495.04 = 102,427.84/x - Step 3: Cross multiply
187,310.80x = 258,495.04 × 102,427.84 - Step 4: Simplify right side
187,310.80x = 26,477,088,597.91 - Step 5: Solve for x
x = 26,477,088,597.91/187,310.80 - Step 6: Final answer
x = 141,353.77
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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.