Finding the Fourth Proportional to 297,043.84, 409,942.18 and 169,716.70
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Solution
The fourth proportional to 297,043.84, 409,942.18 and 169,716.70 is: 234,221.43
Step by Step Solution
- Step 1: Write the proportion equation
297,043.84 : 409,942.18 = 169,716.70 : x - Step 2: Convert to fraction form
297,043.84/409,942.18 = 169,716.70/x - Step 3: Cross multiply
297,043.84x = 409,942.18 × 169,716.70 - Step 4: Simplify right side
297,043.84x = 69,574,033,980.41 - Step 5: Solve for x
x = 69,574,033,980.41/297,043.84 - Step 6: Final answer
x = 234,221.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.