Finding the Fourth Proportional to 251,284.81, 346,616.84 and 149,236.66
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Solution
The fourth proportional to 251,284.81, 346,616.84 and 149,236.66 is: 205,853.83
Step by Step Solution
- Step 1: Write the proportion equation
251,284.81 : 346,616.84 = 149,236.66 : x - Step 2: Convert to fraction form
251,284.81/346,616.84 = 149,236.66/x - Step 3: Cross multiply
251,284.81x = 346,616.84 × 149,236.66 - Step 4: Simplify right side
251,284.81x = 51,727,939,501.35 - Step 5: Solve for x
x = 51,727,939,501.35/251,284.81 - Step 6: Final answer
x = 205,853.83
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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.