Finding the Fourth Proportional to 251,229.99, 346,716.68 and 143,833.71
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Solution
The fourth proportional to 251,229.99, 346,716.68 and 143,833.71 is: 198,501.56
Step by Step Solution
- Step 1: Write the proportion equation
251,229.99 : 346,716.68 = 143,833.71 : x - Step 2: Convert to fraction form
251,229.99/346,716.68 = 143,833.71/x - Step 3: Cross multiply
251,229.99x = 346,716.68 × 143,833.71 - Step 4: Simplify right side
251,229.99x = 49,869,545,684.11 - Step 5: Solve for x
x = 49,869,545,684.11/251,229.99 - Step 6: Final answer
x = 198,501.56
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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.