Finding the Fourth Proportional to 329,699.22, 494,631.99 and 152,331.63
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Solution
The fourth proportional to 329,699.22, 494,631.99 and 152,331.63 is: 228,535.87
Step by Step Solution
- Step 1: Write the proportion equation
329,699.22 : 494,631.99 = 152,331.63 : x - Step 2: Convert to fraction form
329,699.22/494,631.99 = 152,331.63/x - Step 3: Cross multiply
329,699.22x = 494,631.99 × 152,331.63 - Step 4: Simplify right side
329,699.22x = 75,348,097,286.84 - Step 5: Solve for x
x = 75,348,097,286.84/329,699.22 - Step 6: Final answer
x = 228,535.87
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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.