Finding the Fourth Proportional to 434,509.92, 598,995.36 and 305,054.28
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Solution
The fourth proportional to 434,509.92, 598,995.36 and 305,054.28 is: 420,533.78
Step by Step Solution
- Step 1: Write the proportion equation
434,509.92 : 598,995.36 = 305,054.28 : x - Step 2: Convert to fraction form
434,509.92/598,995.36 = 305,054.28/x - Step 3: Cross multiply
434,509.92x = 598,995.36 × 305,054.28 - Step 4: Simplify right side
434,509.92x = 182,726,098,268.14 - Step 5: Solve for x
x = 182,726,098,268.14/434,509.92 - Step 6: Final answer
x = 420,533.78
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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.