Finding the Fourth Proportional to 187,675.68, 281,487.60 and 47,425.80
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Solution
The fourth proportional to 187,675.68, 281,487.60 and 47,425.80 is: 71,132.15
Step by Step Solution
- Step 1: Write the proportion equation
187,675.68 : 281,487.60 = 47,425.80 : x - Step 2: Convert to fraction form
187,675.68/281,487.60 = 47,425.80/x - Step 3: Cross multiply
187,675.68x = 281,487.60 × 47,425.80 - Step 4: Simplify right side
187,675.68x = 13,349,774,620.08 - Step 5: Solve for x
x = 13,349,774,620.08/187,675.68 - Step 6: Final answer
x = 71,132.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.