Finding the Fourth Proportional to 224,749.12, 310,152.84 and 124,147.12
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Solution
The fourth proportional to 224,749.12, 310,152.84 and 124,147.12 is: 171,322.50
Step by Step Solution
- Step 1: Write the proportion equation
224,749.12 : 310,152.84 = 124,147.12 : x - Step 2: Convert to fraction form
224,749.12/310,152.84 = 124,147.12/x - Step 3: Cross multiply
224,749.12x = 310,152.84 × 124,147.12 - Step 4: Simplify right side
224,749.12x = 38,504,581,845.82 - Step 5: Solve for x
x = 38,504,581,845.82/224,749.12 - Step 6: Final answer
x = 171,322.50
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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.