Finding the Fourth Proportional to 297,604.79, 445,940.62 and 253,048.31
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Solution
The fourth proportional to 297,604.79, 445,940.62 and 253,048.31 is: 379,175.75
Step by Step Solution
- Step 1: Write the proportion equation
297,604.79 : 445,940.62 = 253,048.31 : x - Step 2: Convert to fraction form
297,604.79/445,940.62 = 253,048.31/x - Step 3: Cross multiply
297,604.79x = 445,940.62 × 253,048.31 - Step 4: Simplify right side
297,604.79x = 112,844,517,389.03 - Step 5: Solve for x
x = 112,844,517,389.03/297,604.79 - Step 6: Final answer
x = 379,175.75
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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.