Finding the Fourth Proportional to 182,970.20, 274,455.30 and 153,445.70
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Solution
The fourth proportional to 182,970.20, 274,455.30 and 153,445.70 is: 230,168.55
Step by Step Solution
- Step 1: Write the proportion equation
182,970.20 : 274,455.30 = 153,445.70 : x - Step 2: Convert to fraction form
182,970.20/274,455.30 = 153,445.70/x - Step 3: Cross multiply
182,970.20x = 274,455.30 × 153,445.70 - Step 4: Simplify right side
182,970.20x = 42,113,985,627.21 - Step 5: Solve for x
x = 42,113,985,627.21/182,970.20 - Step 6: Final answer
x = 230,168.55
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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.