Finding the Fourth Proportional to 434,793.30, 651,383.55 and 247,247.70
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Solution
The fourth proportional to 434,793.30, 651,383.55 and 247,247.70 is: 370,412.99
Step by Step Solution
- Step 1: Write the proportion equation
434,793.30 : 651,383.55 = 247,247.70 : x - Step 2: Convert to fraction form
434,793.30/651,383.55 = 247,247.70/x - Step 3: Cross multiply
434,793.30x = 651,383.55 × 247,247.70 - Step 4: Simplify right side
434,793.30x = 161,053,084,555.34 - Step 5: Solve for x
x = 161,053,084,555.34/434,793.30 - Step 6: Final answer
x = 370,412.99
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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.