Finding the Fourth Proportional to 247,630.10, 371,335.80 and 97,820.60
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Solution
The fourth proportional to 247,630.10, 371,335.80 and 97,820.60 is: 146,687.70
Step by Step Solution
- Step 1: Write the proportion equation
247,630.10 : 371,335.80 = 97,820.60 : x - Step 2: Convert to fraction form
247,630.10/371,335.80 = 97,820.60/x - Step 3: Cross multiply
247,630.10x = 371,335.80 × 97,820.60 - Step 4: Simplify right side
247,630.10x = 36,324,290,757.48 - Step 5: Solve for x
x = 36,324,290,757.48/247,630.10 - Step 6: Final answer
x = 146,687.70
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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.