Finding the Fourth Proportional to 301,581.15, 449,066.12 and 290,804.68
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Solution
The fourth proportional to 301,581.15, 449,066.12 and 290,804.68 is: 433,019.53
Step by Step Solution
- Step 1: Write the proportion equation
301,581.15 : 449,066.12 = 290,804.68 : x - Step 2: Convert to fraction form
301,581.15/449,066.12 = 290,804.68/x - Step 3: Cross multiply
301,581.15x = 449,066.12 × 290,804.68 - Step 4: Simplify right side
301,581.15x = 130,590,529,325.44 - Step 5: Solve for x
x = 130,590,529,325.44/301,581.15 - Step 6: Final answer
x = 433,019.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.