Finding the Fourth Proportional to 250,256.36, 345,363.30 and 142,843.88
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Solution
The fourth proportional to 250,256.36, 345,363.30 and 142,843.88 is: 197,129.99
Step by Step Solution
- Step 1: Write the proportion equation
250,256.36 : 345,363.30 = 142,843.88 : x - Step 2: Convert to fraction form
250,256.36/345,363.30 = 142,843.88/x - Step 3: Cross multiply
250,256.36x = 345,363.30 × 142,843.88 - Step 4: Simplify right side
250,256.36x = 49,333,033,781.60 - Step 5: Solve for x
x = 49,333,033,781.60/250,256.36 - Step 6: Final answer
x = 197,129.99
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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.