Finding the Fourth Proportional to 151,887.20, 227,830.80 and 63,313.70
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Solution
The fourth proportional to 151,887.20, 227,830.80 and 63,313.70 is: 94,970.55
Step by Step Solution
- Step 1: Write the proportion equation
151,887.20 : 227,830.80 = 63,313.70 : x - Step 2: Convert to fraction form
151,887.20/227,830.80 = 63,313.70/x - Step 3: Cross multiply
151,887.20x = 227,830.80 × 63,313.70 - Step 4: Simplify right side
151,887.20x = 14,424,810,921.96 - Step 5: Solve for x
x = 14,424,810,921.96/151,887.20 - Step 6: Final answer
x = 94,970.55
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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.