Finding the Fourth Proportional to 320,724.64, 442,593.36 and 177,476.08
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Solution
The fourth proportional to 320,724.64, 442,593.36 and 177,476.08 is: 244,913.31
Step by Step Solution
- Step 1: Write the proportion equation
320,724.64 : 442,593.36 = 177,476.08 : x - Step 2: Convert to fraction form
320,724.64/442,593.36 = 177,476.08/x - Step 3: Cross multiply
320,724.64x = 442,593.36 × 177,476.08 - Step 4: Simplify right side
320,724.64x = 78,549,734,566.83 - Step 5: Solve for x
x = 78,549,734,566.83/320,724.64 - Step 6: Final answer
x = 244,913.31
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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.