Finding the Fourth Proportional to 247,288.20, 370,859.40 and 97,478.70
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Solution
The fourth proportional to 247,288.20, 370,859.40 and 97,478.70 is: 146,189.31
Step by Step Solution
- Step 1: Write the proportion equation
247,288.20 : 370,859.40 = 97,478.70 : x - Step 2: Convert to fraction form
247,288.20/370,859.40 = 97,478.70/x - Step 3: Cross multiply
247,288.20x = 370,859.40 × 97,478.70 - Step 4: Simplify right side
247,288.20x = 36,150,892,194.78 - Step 5: Solve for x
x = 36,150,892,194.78/247,288.20 - Step 6: Final answer
x = 146,189.31
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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.