Finding the Fourth Proportional to 543,027.70, 814,541.55 and 149,043.70
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Solution
The fourth proportional to 543,027.70, 814,541.55 and 149,043.70 is: 223,565.55
Step by Step Solution
- Step 1: Write the proportion equation
543,027.70 : 814,541.55 = 149,043.70 : x - Step 2: Convert to fraction form
543,027.70/814,541.55 = 149,043.70/x - Step 3: Cross multiply
543,027.70x = 814,541.55 × 149,043.70 - Step 4: Simplify right side
543,027.70x = 121,402,286,415.74 - Step 5: Solve for x
x = 121,402,286,415.74/543,027.70 - Step 6: Final answer
x = 223,565.55
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Similar ratio
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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.