Finding the Fourth Proportional to 329,235.20, 493,852.80 and 295,020.80
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Solution
The fourth proportional to 329,235.20, 493,852.80 and 295,020.80 is: 442,531.20
Step by Step Solution
- Step 1: Write the proportion equation
329,235.20 : 493,852.80 = 295,020.80 : x - Step 2: Convert to fraction form
329,235.20/493,852.80 = 295,020.80/x - Step 3: Cross multiply
329,235.20x = 493,852.80 × 295,020.80 - Step 4: Simplify right side
329,235.20x = 145,696,848,138.24 - Step 5: Solve for x
x = 145,696,848,138.24/329,235.20 - Step 6: Final answer
x = 442,531.20
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1.5x scale
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.