Finding the Fourth Proportional to 187,553.28, 258,823.96 and 102,675.80
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Solution
The fourth proportional to 187,553.28, 258,823.96 and 102,675.80 is: 141,692.84
Step by Step Solution
- Step 1: Write the proportion equation
187,553.28 : 258,823.96 = 102,675.80 : x - Step 2: Convert to fraction form
187,553.28/258,823.96 = 102,675.80/x - Step 3: Cross multiply
187,553.28x = 258,823.96 × 102,675.80 - Step 4: Simplify right side
187,553.28x = 26,574,957,152.17 - Step 5: Solve for x
x = 26,574,957,152.17/187,553.28 - Step 6: Final answer
x = 141,692.84
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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.