Finding the Fourth Proportional to 255,731.68, 352,840.48 and 145,348.80
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Solution
The fourth proportional to 255,731.68, 352,840.48 and 145,348.80 is: 200,541.99
Step by Step Solution
- Step 1: Write the proportion equation
255,731.68 : 352,840.48 = 145,348.80 : x - Step 2: Convert to fraction form
255,731.68/352,840.48 = 145,348.80/x - Step 3: Cross multiply
255,731.68x = 352,840.48 × 145,348.80 - Step 4: Simplify right side
255,731.68x = 51,284,940,359.42 - Step 5: Solve for x
x = 51,284,940,359.42/255,731.68 - Step 6: Final answer
x = 200,541.99
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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.