Finding the Fourth Proportional to 347,538.60, 521,745.30 and 187,741.80
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Solution
The fourth proportional to 347,538.60, 521,745.30 and 187,741.80 is: 281,848.99
Step by Step Solution
- Step 1: Write the proportion equation
347,538.60 : 521,745.30 = 187,741.80 : x - Step 2: Convert to fraction form
347,538.60/521,745.30 = 187,741.80/x - Step 3: Cross multiply
347,538.60x = 521,745.30 × 187,741.80 - Step 4: Simplify right side
347,538.60x = 97,953,401,763.54 - Step 5: Solve for x
x = 97,953,401,763.54/347,538.60 - Step 6: Final answer
x = 281,848.99
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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.