Finding the Fourth Proportional to 250,713.08, 375,716.04 and 138,443.84
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Solution
The fourth proportional to 250,713.08, 375,716.04 and 138,443.84 is: 207,470.51
Step by Step Solution
- Step 1: Write the proportion equation
250,713.08 : 375,716.04 = 138,443.84 : x - Step 2: Convert to fraction form
250,713.08/375,716.04 = 138,443.84/x - Step 3: Cross multiply
250,713.08x = 375,716.04 × 138,443.84 - Step 4: Simplify right side
250,713.08x = 52,015,571,327.19 - Step 5: Solve for x
x = 52,015,571,327.19/250,713.08 - Step 6: Final answer
x = 207,470.51
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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.