Finding the Fourth Proportional to 247,630.60, 371,336.55 and 97,821.10
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Solution
The fourth proportional to 247,630.60, 371,336.55 and 97,821.10 is: 146,688.45
Step by Step Solution
- Step 1: Write the proportion equation
247,630.60 : 371,336.55 = 97,821.10 : x - Step 2: Convert to fraction form
247,630.60/371,336.55 = 97,821.10/x - Step 3: Cross multiply
247,630.60x = 371,336.55 × 97,821.10 - Step 4: Simplify right side
247,630.60x = 36,324,549,791.21 - Step 5: Solve for x
x = 36,324,549,791.21/247,630.60 - Step 6: Final answer
x = 146,688.45
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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.