Finding the Fourth Proportional to 247,230.20, 370,772.40 and 97,420.70
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Solution
The fourth proportional to 247,230.20, 370,772.40 and 97,420.70 is: 146,102.32
Step by Step Solution
- Step 1: Write the proportion equation
247,230.20 : 370,772.40 = 97,420.70 : x - Step 2: Convert to fraction form
247,230.20/370,772.40 = 97,420.70/x - Step 3: Cross multiply
247,230.20x = 370,772.40 × 97,420.70 - Step 4: Simplify right side
247,230.20x = 36,120,906,748.68 - Step 5: Solve for x
x = 36,120,906,748.68/247,230.20 - Step 6: Final answer
x = 146,102.32
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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.