Finding the Fourth Proportional to 543,027.68, 814,214.16 and 243,454.08
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Solution
The fourth proportional to 543,027.68, 814,214.16 and 243,454.08 is: 365,034.36
Step by Step Solution
- Step 1: Write the proportion equation
543,027.68 : 814,214.16 = 243,454.08 : x - Step 2: Convert to fraction form
543,027.68/814,214.16 = 243,454.08/x - Step 3: Cross multiply
543,027.68x = 814,214.16 × 243,454.08 - Step 4: Simplify right side
543,027.68x = 198,223,759,245.77 - Step 5: Solve for x
x = 198,223,759,245.77/543,027.68 - Step 6: Final answer
x = 365,034.36
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.