Finding the Fourth Proportional to 400,395.24, 552,043.62 and 256,902.12
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Solution
The fourth proportional to 400,395.24, 552,043.62 and 256,902.12 is: 354,202.95
Step by Step Solution
- Step 1: Write the proportion equation
400,395.24 : 552,043.62 = 256,902.12 : x - Step 2: Convert to fraction form
400,395.24/552,043.62 = 256,902.12/x - Step 3: Cross multiply
400,395.24x = 552,043.62 × 256,902.12 - Step 4: Simplify right side
400,395.24x = 141,821,176,310.47 - Step 5: Solve for x
x = 141,821,176,310.47/400,395.24 - Step 6: Final answer
x = 354,202.95
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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.