Finding the Fourth Proportional to 320,282.14, 441,970.14 and 177,033.64
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Solution
The fourth proportional to 320,282.14, 441,970.14 and 177,033.64 is: 244,295.80
Step by Step Solution
- Step 1: Write the proportion equation
320,282.14 : 441,970.14 = 177,033.64 : x - Step 2: Convert to fraction form
320,282.14/441,970.14 = 177,033.64/x - Step 3: Cross multiply
320,282.14x = 441,970.14 × 177,033.64 - Step 4: Simplify right side
320,282.14x = 78,243,582,655.51 - Step 5: Solve for x
x = 78,243,582,655.51/320,282.14 - Step 6: Final answer
x = 244,295.80
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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.