Finding the Fourth Proportional to 250,738.14, 346,043.52 and 143,323.68
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Solution
The fourth proportional to 250,738.14, 346,043.52 and 143,323.68 is: 197,800.90
Step by Step Solution
- Step 1: Write the proportion equation
250,738.14 : 346,043.52 = 143,323.68 : x - Step 2: Convert to fraction form
250,738.14/346,043.52 = 143,323.68/x - Step 3: Cross multiply
250,738.14x = 346,043.52 × 143,323.68 - Step 4: Simplify right side
250,738.14x = 49,596,230,726.55 - Step 5: Solve for x
x = 49,596,230,726.55/250,738.14 - Step 6: Final answer
x = 197,800.90
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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.