Finding the Fourth Proportional to 251,287.94, 346,767.84 and 143,867.96
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Solution
The fourth proportional to 251,287.94, 346,767.84 and 143,867.96 is: 198,532.34
Step by Step Solution
- Step 1: Write the proportion equation
251,287.94 : 346,767.84 = 143,867.96 : x - Step 2: Convert to fraction form
251,287.94/346,767.84 = 143,867.96/x - Step 3: Cross multiply
251,287.94x = 346,767.84 × 143,867.96 - Step 4: Simplify right side
251,287.94x = 49,888,781,734.41 - Step 5: Solve for x
x = 49,888,781,734.41/251,287.94 - Step 6: Final answer
x = 198,532.34
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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.