Finding the Fourth Proportional to 303,262.74, 453,947.49 and 223,390.74
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Solution
The fourth proportional to 303,262.74, 453,947.49 and 223,390.74 is: 334,388.81
Step by Step Solution
- Step 1: Write the proportion equation
303,262.74 : 453,947.49 = 223,390.74 : x - Step 2: Convert to fraction form
303,262.74/453,947.49 = 223,390.74/x - Step 3: Cross multiply
303,262.74x = 453,947.49 × 223,390.74 - Step 4: Simplify right side
303,262.74x = 101,407,665,712.24 - Step 5: Solve for x
x = 101,407,665,712.24/303,262.74 - Step 6: Final answer
x = 334,388.81
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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.