Finding the Fourth Proportional to 250,821.84, 346,120.92 and 143,377.68
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Solution
The fourth proportional to 250,821.84, 346,120.92 and 143,377.68 is: 197,853.64
Step by Step Solution
- Step 1: Write the proportion equation
250,821.84 : 346,120.92 = 143,377.68 : x - Step 2: Convert to fraction form
250,821.84/346,120.92 = 143,377.68/x - Step 3: Cross multiply
250,821.84x = 346,120.92 × 143,377.68 - Step 4: Simplify right side
250,821.84x = 49,626,014,509.07 - Step 5: Solve for x
x = 49,626,014,509.07/250,821.84 - Step 6: Final answer
x = 197,853.64
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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.